woman Margaret Ruthven‏‎, daughter of William Ruthven, 1st Earl Gowrie and Dorothea Stewart‏.
Born ‎± 1573‎
SOURCES: "Ancestors/Descendants of Humphrey Stafford" http://www.geneastar.org.

Married ‎ Dec 12, 1593 (32 years married) to:

man John Graham, 4th Earl Montrose‏‎
Born ‎ 1573, died ‎ Nov 14, 1626‎, 52 or 53 years
SOURCES: "Ancestors/Descendants of Humphrey Stafford" http://www.geneastar.org.

Child:

1.
man James Graham, 5th Earl Montrose‏
Born ‎ 1612, died ‎ May 21, 1650 at Edinburgh, Scotland‎, 37 or 38 years
SOURCES: "Descendants of Margaret de Audley" and "Ancestors/Descendants of Maud Grey" http://www.geneastar.org