Janet Kennedy was born circa 1542 in Kirkmichael, Ayrshire, Scotland, UK to Gilbert Kennedy (1515-1558) and Margery Sophia Kennedy (1517-1597) and died September 1598 of unspecified causes.
Children
| Name | Birth | Death | Joined with |
| Mary Stewart (-1644) | 11 May 1644 | Patrick Gray, 6th Lord Gray (1556-1611) | |
Siblings