His lordship married Margaret, natural daughter of James, 1st Earl of Arran, and had issue,
ANDREW, his successor;He was succeeded by his eldest son,
ANDREW (c1521-91), 2nd Lord Ochiltree, who married Agnes Cunningham, and had a son and heir, Andrew Stewart, styled Master of Ochiltree, who predeceased him in 1578, and was succeeded by his grandson,
ANDREW, 3rd Lord Ochiltree (c1560-1629), who having sold the feudal barony of OCHILTREE to his cousin, Sir James Stuart, of Killeith, was created, 1619, Baron Castle Stewart, of County Tyrone, where he possessed considerable estates.
He wedded, ca 1587, Margaret, daughter of Sir John Kennedy, of Blairquhan, and had issue,
ANDREW, his successor;His lordship was succeeded by his eldest son,
JOHN, 5th Baron;
Robert, ancestor of the Earl Castle Stewart;
Margaret, m George Crawford, of Crawfordsburn;
Maria, m John Kennedy, of Cultra;
SIR ANDREW, 2nd Baron (1590-1629), who had been previously created a baronet.
ARTHUR PATRICK AVONDALE, 8TH EARL CASTLE STEWART is the 15th Stewart Baronet.
Seat ~ Stuart Hall, Stewartstown, County Tyrone.