They had issue: John Stewart, 1st Earl of Lennox Alexander Stewart of Galston After Darnley's murder, his widow Catherine married Herbert Maxwell, 1st Lord Maxwell.
Imali su potomstvo: John Stewart, 1. grof od Lennoxa Alexander Stewart od Galstona Nakon Darnleyeva ubojstva, njegova se udovica Catherine udala za Herberta Maxwella, 1. lorda Maxwella.