Author Topic: Can pro-tools help decide if 2 men had the same mother  (Read 192 times)

Offline brigidmac

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Can pro-tools help decide if 2 men had the same mother
« on: Friday 07 November 25 04:09 GMT (UK) »
 JBE had 3 children
Gerald   Dorothy & Clement

Dorothy was a legitimate child half sister to Gerald who may have been from a first wife  & half sister to  Clement whose mother s name is known

 I think  G & C  were full brothers

Can protools comparing their descendants
Reinforce this theory

KW is grandson of Clement  according to his tree

VO is ggdaughter of  Dorothy ( maybe )

ES is from   Gerald not sure where she fits
Probably great granddaughter # modify .this is wrong she's great granddaughter of Clement so I'm going to have to rewrite

Kw matches VO 125 cm ancestry predicts 2C 1R

Matches ES 434 cm ancestry predicts 1C 1R

Es matches VO 38cm predicted half 3C1R

Do those figures fit the possibilities






Roberts,Fellman.Macdermid smith jones,Bloch,Irvine,Hallis Stevenson

Offline brigidmac

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Re: Can pro-tools help decide if 2 men had the same mother
« Reply #1 on: Friday 07 November 25 04:13 GMT (UK) »
All 3 match descendants of JBE 
Parents and of maternal grandparents
So the generational links are strong
Roberts,Fellman.Macdermid smith jones,Bloch,Irvine,Hallis Stevenson

Offline brigidmac

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Re: Can pro-tools help decide if 2 men had the same mother
« Reply #2 on: Friday 07 November 25 04:14 GMT (UK) »
Ethnicity also helps confirm relationships

This is the story
Of the family

 https://www.rootschat.com/forum/index.php?topic=894769.msg7692061#msg7692061
Roberts,Fellman.Macdermid smith jones,Bloch,Irvine,Hallis Stevenson

Online David Nicoll

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Re: Can pro-tools help decide if 2 men had the same mother
« Reply #3 on: Friday 07 November 25 19:50 GMT (UK) »
Hi,

   I would say absolutely, but would also be looking at the reverse predicted relationships. So you should have 9.
   Also look at distances from other matches.
Nicoll, Small - Scotland Dennis - Lincolnshire, Baldwin - Notts. Gordon, Fletcher Deeside


Offline brigidmac

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Re: Can pro-tools help decide if 2 men had the same mother
« Reply #4 on: Friday 07 November 25 21:05 GMT (UK) »
What's a reverse predictable relationship??

I'd got it wrong & ES is a great granddaughter of Clement

KW his grandchild so they are cousins once removed

Now I have to find a descendant of Gerald to confirm or disprove this theory
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Online David Nicoll

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Re: Can pro-tools help decide if 2 men had the same mother
« Reply #5 on: Friday 07 November 25 21:33 GMT (UK) »
As an example you quote the relationship between Kw and VO what is the reverse VO and Kw although the cM should be the same, the predicted relationships are not always due to the number crunching done behind the scenes. The difference can be very illuminating.
Nicoll, Small - Scotland Dennis - Lincolnshire, Baldwin - Notts. Gordon, Fletcher Deeside

Online Biggles50

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Re: Can pro-tools help decide if 2 men had the same mother
« Reply #6 on: Friday 07 November 25 22:12 GMT (UK) »
I would say possibly.

It could be worth it to subscribe just for a month.

By far the most useful feature at present is that for each match you can see what shared cM they have with each of the Shares, even those with low cM.

The Cluster Tool may also be useful but do note that this is still essentially a Beta version.

Offline brigidmac

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Re: Can pro-tools help decide if 2 men had the same mother
« Reply #7 on: Saturday 08 November 25 07:05 GMT (UK) »
Gosh thats interesting David
About reverse predictions
What's the significance  of 9 in reply 3 ?.
9.what ??

I m.revising this particular story but good to know in general.
If both Kwaw & ES are grandchildren of Clement but different mothers

434 cm is also within  range for half cousins.

Always good to have your input Biggles
Funny thing is I have pro tools til 17th Nov but my account lapsed 5th Nov so can still see matches amounts and if there are thru. Lines can see common ancestors but not the actually thru lines & can't see the matches tree

I.intend to renew with price saving method & hope to make use of the free military records access this week

& I will start at new pro tools on my other account as I.manage different people's dna on there
Roberts,Fellman.Macdermid smith jones,Bloch,Irvine,Hallis Stevenson

Online Biggles50

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Re: Can pro-tools help decide if 2 men had the same mother
« Reply #8 on: Saturday 08 November 25 08:01 GMT (UK) »
Whilst the 434 could be a 1/2 1C there are other possibilities.

With the 364cM match of mine Ancestry predicted the 1/2 1C, and for a while that threw me as I had the possibility that my Maternal Grandfather emigrated because he had got a local girl pregnant.

Turns out the 364 is a full 2C even though DNA Painter only groups it in the 38% and not the higher 60%.

Suggest keep options open and work each possible.