See also
| Husband: | Alexander SINCLAIR ( - ) | |
| Wife: | Elizabeth INNES ( - ) | |
| Children: | William SINCLAIR ( - ) | |
| Oliver SINCLAIR ( - ) | ||
| Isabel SINCLAIR ( - ) | ||
| Name: | Alexander SINCLAIR | |
| Sex: | Male | |
| Father: | William SINCLAIR (c. 1459-1513) | |
| Mother: | Mary KEITH (c. 1477-1549) | |
| Name: | Elizabeth INNES | |
| Sex: | Female | |
| Father: | - | |
| Mother: | - | |
| Name: | William SINCLAIR | |
| Sex: | Male | |
| Spouse 1: | Beatrix GORDON ( - ) | |
| Spouse 2: | Margaret INNES ( - ) | |
| Name: | Oliver SINCLAIR | |
| Sex: | Male | |
| Name: | Isabel SINCLAIR | |
| Sex: | Female | |
| Spouse: | Gilbert GORDON ( - ) | |
In 1507 Alexander Sinclair obtained a Crown charter of Stemster.
In 1529 a Crown charter was granted in favour of Alexander Sinclair of Stemster erecting Dunbeath, Reay and Sandside into a barony.