James Douglas
James was born about 1370 in Brechin, Lanarkshire, Scotland.  He died on March 24th, 1443.

 Beatrix Sinclair
Beatrix was born about 1375 in Scotland.  She died before February 8th, 1462.

 Janet Douglas
Janet was born in 1398 in Brechin, Lanarkshire, Scotland.

 Beatrix Douglas
Beatrix was born about 1400 in Brechin, Lanarkshire, Scotland.