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: St. CLAIR aka SINCLAIR
Children
Marriage
2
Blocked
Birth:
Death:
Blocked
Marr:
3
Blocked
Birth:
Death:
Blocked
Marr:
FamilyCentral Network
Blocked - Isabella
No information is available on living individuals