- Birth: 1806, Scotland
- Death: 18 NOV 1869, Ettrick, South Australia
- Partnership with: Isabella TAIT
Marriage: (Date and Place unknown)
Descendants of Peter SINCLAIR
1 Peter SINCLAIR
=Isabella TAIT
2 Catherine SINCLAIR
2 Edward Tait SINCLAIR
2 Janet Ellen SINCLAIR
=James Lawrence WATSON
3 Mary Sophie WATSON
=Norman Eldad HEWETT Marriage: 8 NOV 1883, Port Pirie, South Australia
4 Ernest Edward HEWETT
4 Ida Laura HEWETT
=John Lawrence BATTEN Marriage: 6 APR 1910, Caltowie, South Australia
5 Hilda Frances BATTEN
=Herbert Benjamin COX Marriage: 1940
6 Margaret Ann COX
4 Charles Lawrence HEWETT
4 Margaret Alice HEWETT
= BAKER
= ROBINS
4 Norman Stanley HEWETT
4 John Harold HEWETT
4 Nina Annie HEWETT
= NOBLET
4 Hilda Maude HEWETT
= HEWETT
3 Isabella Rachael Tait WATSON
= SAINT
3 Janet Sinclair WATSON
= HEAD
3 Margaret Ann WATSON
= GUERIN
3 Annie Payne WATSON
= WEST
3 Edmond James WATSON
2 John SINCLAIR
2 Christina Flora SINCLAIR
2 Margaret SINCLAIR
2 Rachael Tait SINCLAIR
= O'SHAUGHNESSY