you start with the leads method because it's the easiest and
little bit of a boost, you can do the matrix clustering as
you might know how they're related to you as well that
that you know where that most recent common ancestor is so if
you've already found and while they may not have a tree
who one or both of their parents are you may be able to
third or fourth cousins to some other people around it as part
to help narrow down where you need to search at you have new
matrix function and Jed Match you can make one of these and I
make that but you can still do this with my heritage in 23 and
family group in here do I have maybe even two family groups in
clustering is you can start to see hey do I actually have one
more distant relationships and we see what I've done is on the
heritage gives you, this is just a number of the person.
are related to each other within this cluster but with a
much shared DNA they have. So, I can't tell how these people
related simply by the amount of shared DNA. Let me go down to
okay, how are these other people related to them? So,
person is their parent and these four are siblings but
3500 centimorgans roughly with this other person. So, this
well. Now, if you'd like to learn how to do a leads method,
particularly if they're adoptees where they don't know
something else about DNA, then check out this video down
you can check out this video up here but if you want to learn
than the other one and that's the nice thing about 3D
you haven't tried any of these clustering methods I'd reckon
me partially it's time consuming to set up though
of a cluster I like 3D clustering because you can
as tightly it together as that other cluster. There are a
this bigger cluster down here and we can see this one is not
people. I know that there's four siblings. I know that
then go on to auto and finally, if you're ready to give that a
matches come up they then can be added to the clusters that
through DNA because you're using some known relationships
different connections that you're trying to get all of
within there. So, I've got this big family group but I've got a
start to see some more information now again using the
first cousins, great answer uncles, maybe a second cousin
because of this clustering and how everybody else is related
help them solve that problem because they fit into a cluster
these shared DNA data points for now clustering is a great
way any kind of clustering is a great way to find people
here that are second cousins to each other that you know or
because for each one of those lists there's hundreds of
very much but this is a much more loosely related cluster
distant than the others. They're in the just under 20
centimorgan range. Well, a lot of the ones in the middle here
have a video on that and I have a spreadsheet that helps you to
are in the twenties to 30s centamorgan range. Still not
couple of parent-child relationships as well as some
outside here, hey, these ones are the ones that are more
3D cluster, I start to see how some of these people are
So, this is person one, person two, person three. It's not how
switching over to a 2D cluster These numbers in here that my
could map out this cluster just with talking with one of these
really tight family group within it as well and so that's
there's one grandparent and then I just need to figure out,
what I mean by finding clusters of clusters. In other words, I
they're part of another cluster which includes it looks like
So, looking at this group right here, I actually see a couple
looking at. We're looking at these clusters in relation to
large but what has been added in that makes this three
dimensional is not just our matches matches which is two
that the people down the side are the same people across the
like. So this is from my heritage and they send you a
of time. Let's Take a look at what this 2D clustering looks
cluster and that we're seeing some boxes here both small and
to do clustering like this, then, you want to use that
grandparent, a great great grandparent but instead of
able to identify these people that all share or most all of
having to look at all of our family tree, now we can focus
this on Jet Match and you can use this on My Heritage with
is siblings. So, there's four siblings and they all share
What I like about this is a couple of things is if we pair
clusters. Basically a box like As we go down, we can see that
Now, with the auto cluster. The nice thing about this is first
people here, they all share in that 2300 to 2800 range, which
With an auto cluster, we can be looking at clusters down to 20
matches is they're related to one grandparent. Once we get
them and I can see that they're sisters because of how much DNA
cluster that's related to a great grandparent or great
that relationship is sometimes there's people that I can see
what I call matrix clustering or a 3D cluster and this is
for this person from Jed Match from my heritage as well as
platform as long as you can see matches and see which matches
cluster or the shared matches matches and the third one is
So, this can be done with Jet Match primarily using the
actually somewhat similar to the 2D cluster, but we're
two-dimensional cluster or what is sometimes called an auto
cluster with just really three people that are part of that.
where they are from but I know they're on the maternal side
that matter. Now because of this there's some more
information I've gathered from contacting them and over the
there might even be some 2025 centimorgans in here and we're
platform. You can use this on genetic affairs. You can use
anybody that's related through her now in this case I used 23
for the data I didn't have enough in the 90 centimorgans
have a more distant common answers. Like I said, a great
nice thing about this method is it can be done with any
they share 2600 centimorgans which is right within siblings.
my mom and her sister and so that's really what we're
of things. There is this cluster within this group which
people. So, I'm actually going to move that one down and
includes a pen and a bunch of siblings because all these
spreadsheet that looks like this and you can actually see
about this is we can see some some data. First off, let's
Family Tree DNA and 23 and me and create that auto cluster
some of these clusters get smaller and smaller where we
groups. In other words, which ones related to our grandfather
Match and it looks somewhat similar like I said to a 2D
column as well. So, now, I have this big right here that I
want to look at. Now, these first two people happen to be
information that you read. Now, we go to the next version which
whenever I move a row, I have to move the corresponding
different platforms that you can check out on our channel as
1D clustering because you're use you're using shared
dimensional but I've also put in how much DNA each one of
amount of DNA that you share. Doing this manually on 23 in
video on how to create a leads method chart using some
show you what it looks like. Now, this was created from Jed
here, they don't share much DNA with this whole group of
May and my heritage can be time consuming to set up. So, let me
these people share with that match and so what's interesting
my heritage in 23 and me because they give you the
clustering. You can your own 2D cluster from 23 and me and from
this is we want to actually find clusters within clusters.
adding in a little bit more information. The idea behind
information that you need and so you can't do this on every
my heritage and from ancestry but you have to do it manually
with the genetic affairs software that does the auto
matrix options. You can also manually do this with data from
So, this type of clustering again, we're going down to much
hey, have we already assigned them on one of our leads chart
smaller levels. You can see here 36 centimorgans. I think
we are related to this group through but this cluster might
to a certain grandparent? If so, well then we know what line
them share some DNA in common with each other. So, that is a
in on that particular grandparent line through that.
through our list of people and in that cluster, we can see,
shared matches from one of those matches for that list.
into an auto cluster with some of these, We are seeing maybe a
the auto cluster. They're all all three of those are licensed
as your shared matches matches and what's interesting about
the leads method. So, for instance, with the leads
for you and I would highly recommend that if you're going
into a 2D cluster simply by doing some more work and
I call a2D cluster and sometimes you might here this
this with the leads method. What we can do is we can go
might have clusters with just a few people in them. Here's a
matches. You're just using one dimension really to create this
able to help you with your DNA? Well, I'm going to try to
three major methods you can use different methods to cluster
answer the question about what different methods of clustering
take a look at this and I see here that hey, this one right
everybody else. And that's how we get two dimensional
from ancestry and family tree DNA because Again, you can use
hey here is this box of this cluster. What you find is is
Now, on genetic affairs, it can actually take information from
in me information to create this I've got a similar chart
automated stuff from genetic affairs, it will save you hours
grandfather the garnet line and that is represented by these
people that I know how they're related you know let's say what
hey these are half brothers right here because of what
and a lot of people don't necessarily want to do that.
centimorgans or or even less if we need to. So, it is used to
identify groups with smaller shared match amounts than with
centimeters, so we can separate out those four grandparents.
great grandparent or a great great great grandparent for
and above but what I've done is I've divided this up and I've
about which grandparent they belong to so PGF is my paternal
use in teaching and this one I've actually used even smaller
and I've also listed some other information for an example
method, the idea behind each one of those clusters of
my maternal grandfather and my maternal grandmother but then I
off, we can adjust the CMO Whereas with the leads chart,
than 90 centimorgans just because the number of matches
referred to as an auto cluster or some people may refer to it
this is you can actually expand a leads chart, a oneD cluster
looking at all the matches matches instead of just the
we try to keep between 90 centimorgans and 400
show you what a leads chart looks Now here is one that I
but I think most of them are a variation on these three
this takes our matches and divides it up into four nice
a little bit about why you would use each one so let's get
you share with other people. You can use this method. Let me
any platform. This is one that you manually do and I have a
cluster. The chart is flat in that way as far as the
top. And so we're actually comparing everybody to
well. So, that is the leads method chart and I call this a
identified in this list is my paternal grandmother and
and so interestingly enough the only grandparent I haven't
have a couple other colors that I haven't determined quite yet
yellow ones down here I have a couple that I know are from the
top as these colors go through I've put a little information
color coded each column for the people who match those people
groups that we can then do research on individually. The
which ones are related to our paternal grandmother as well as
our maternal grandfather and our maternal grandmother and
the shared matches. What you're trying to do here is we want to
started with the first one this is called the leads method or
have and we want to sort and organize these into grandparent
take the 90 centimorgan to 400 centimorgan matches that we
you an example of what the output of each one is and talk
methods and so that's what I wanted to go over day and show
there are three methods for clustering DNA matches. Now,
below.
are there today and hopefully you can use one of those to help you with your DNA research. The way I look at it,
Have you heard about clustering and wondering how it might be