Sources:
Extinct Peerages of the British Empire (FHL#942.D22bug)
The Complete Peerage (FHL#942 D22cok)
Stirnet.com
The Complete Peerage (FHL#942 D22cok)
Stirnet.com
Notes:
NAME: SINCLAIR aka St. Clair
Children
Marriage
1
Birth:
Abt 1359
of Herdmanstoun, Scotland
Death:
Notes:
NOTES: Catherine Sinclair was found in LDS Sources sealed to parents, Sir William Sinclair and Sibella Cockburn on 25 Jan 1968 IFALL.
FamilyCentral Network
William Sinclair - Margaret Sinclair
William Sinclair
was born at Abt 1331.
He married Margaret Sinclair Abt 1358 . Margaret Sinclair was born at Abt 1334 .
They were the parents of 1
child:
Catherine Sinclair
born Abt 1359.