Mary, Is this info in the Stewart Clan Book?? "John, the 5th Lord Castlestewart, died without issue [in 1685], and after his death, the descendants of Lt-Colonel Robert Stewart were the ... [rightful] successors to the barony of Castlestewart, [which remained dormant and unclaimed until 1774]. ... Lt-Colonel [the Hon.] Robert was the brother of John, the 5th Lord, ... and consequently a son of the 1st Lord. Robert Stewart of Irry [d.1686], son and heir to Colonel Robert, married Ann Moore, daughter of William Moore of Garvey in the county of Tyrone. To him succeeded Andrew Stewart [1672-1715], his eldest son and heir, then an infant, and to him Robert Stewart [1700-1742], whose son and heir the petitioner is.'(http://www.angelfire.com/nb/stewartdna)The Tenmile Country And Its Pioneer Families. "