Some of the following information was extracted from Ulster Journal of Archaeology, 1903, pp. 131-133, Notes on the Earl of Belmore, and other from thepeerage.com
I take it that the first Robert, Lord of Sessions would have been Robert of Culcreuch, who was married to Margaret Seton and left for Ireland around the year 1631.
0.James Galbraith m. Margaret Crawford; she m. secondly to Sir Aulay Macaulay of Ardincaple.
1.Robert Galbraith, Lord of Sessions and Margaret Seton, dau of James Seton
2.Archdeacon Humphrey Galbraith m. Isabella, 3rd dau of Sir Paul Gore.
3.Lettice m. Col. Michael Sampson.
3.Mariana m. the Rev. John Leslie
3.Angell m. William Wray
2.Lt. Col. James Galbraith, MP, lived near Dowish, St. Johnstown; m. ?
3.Rebecca m. the Rev. Andrew Hamilton
3.Elizabeth m. James Galbraith, son of ?Robert?
3.Angell m. Hugh Hamilton
3.Margaret m. William Hamilton of Caledon.
4.John Hamilton m. Lucy Dopping, dau of the Rt. Rev. Anthony Dopping
5.William Hamilton, died young.
5.Margaret, Countess of Cork and Orrery.
2.Col. Robert Galbraith m. abt. 1630 to Jane Conyngham.
3.Lt. Col. Robert
3.Rebecca m. Andrew King
3.Anne m. James Stewart of Ramelton
3.James, MP, 1632-1673, d. Rathmoran, Co. Fermanagh; m. ?Elizabeth, dau of Lt. Col. James Galbraith, his cousin?
4.Dau m. supposedly Mathew Babington
From Burke's Family Records
5.Capt. William died 1702; m. Rebecca, eldest dau of William Wray of Castle Wray and Ards and Annie Sampson, his first wife.
5.Capt. Richard Babington, d. abt. 1740, m. Isabella Wray, 4th dau of William Wray and Angel Galbraith, his 2nd wife.
5.Thomas Babington m. Isabella, dau of Capt. James Stronge.
Babington family closely related to Wray family and Stewart family of Horn Head.
4.Dau m. Sir Harry Enchlin
4.Jane m. Archibald Richardson of Augher
5.Galbraith Richardson
4.Isabella Galbraith m. the Rev. Andrew Hamilton, Jr.
4.Angell m. Wray of Ards--is this the same Angell who was previously mentioned?
4.Anna m. the Rev. John Sinclair of Hollyhill, Tyrone.
5.Anna Sinclair m. Robert Lowry, Sr.
6.Robert Lowry, Jr. m. Margaret, dau of the Rev. William Hamilton, Jr and Katherine Leslie.
7.Armar Lowry, 1st Earl of Belmore
7.Ann, Countess of Enniskillen
2.William Galbraith, slain in 1626 by Sir John Weymiss
2.Archibald Galbraith said to have married and had issue.
2.Harry
2.Andrew
2.Adam
2.Patrick
2.John
2.William
In Scotland, we have the additional marriages of
1.Edward Buchanan, 2nd of Spittal, m. Christian Galbraith, dau of Andrew, 8th of Culreuch and Margaret Stirling.
2.Robert Buchanan, 3rd of Spittal m. Margaret Galbraith
