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Home: Surnames: Casteel Family Genealogy Forum

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Posted by: Corra Ward (ID *****4949) Date: January 25, 2010 at 16:08:38
  of 1994

Two different lines of Casteels established in the United States that are not related both are R1b1b2 Haplogroup, but they have different Marker Numbers that make them a different lineage, not related ever.
1. du Chastel's line
2. John Casteel b. 1778 Greenbriar Co. VA.
(two different son's lines of John Casteel of Greenbriar have tested through FTDNA.) Confirmed to me by John Young.

Visit the the Casteel DNA Project under the Castle Project for all names meaning Castle. URL below.


The First 12 Marker Numbers in DNA Testing (notice the difference in the marker numbers)

DNA of First 12 Marker Numbers Below
1. du Casteel - 13 23 14 11 11 14 12 12 12 14 13 30
2. John Casteel- 13 23 14 11 11 13 12 12 11 13 14 28
Greenbrier Co. VA
(2 or more than Markers Off in the First 12 Markers is Definitely Not a Match or Same Lineage, even at an earlier date and time. They are 5 Markers Off

Basic "First Step" Formula for finding a DNA Match of the same lineage .

Look at the first 12 Markers Tested
a. 12 out of 12 matching numbers-0 Marker Numbers Off
A Match when all Numbers Match means same lineage
b. 11 out of 12 matching numbers-1 Marker Number Off Not likely the same lineage as a Match, although, possible match if other Marker Numbers line up with more Markers Tested with what FTDNA considers a relevant match
c. 10 out of 12 matching numbers - 2 Marker Numbers Off - Definitely Not a Match or same lineage
*(When looking for a lineage match - the first twelve markers need to match perfectly (possible match w/1 Marker off), at 25 markers, no more than 2 off, at 37 markers abt. 3 off.)told to me by FTDNA
23/25 is considered a relevant match.......34/37 is considered a relevant match, 33/37 a possible match
* Castle/Casteel Project URL -

RESULTS of John Casteel b.1778 Greenbrier Co., VA - his DNA Test Results compared to du Chastel -
1. OFF by 5 Markers in the first 12 Marker Numbers. (not a match of the same lineage)
It is also not a branch of the du Chastel line from an earlier time. No relationship to each other.
2. OFF by 12 Markers at the 25 Marker Point = 12/25.... to be a relevant match is 23/25
3. OFF by 18 Markers at the 37 Marker Point = 18/37.... to be a relevant match is 34/37
*DNA has proven John Casteel b 1778 Greenbrier Co Va. - NOT from Edmund Casteel's line or remotely related to the Edmund Casteel's line of the Capt. du Chastel's of PA at any earlier point in time. If they were related at an earlier point in time, their Marker Numbers would match.

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