Sarah Rayney1
Her married name became North.1
Child of Sarah Rayney and Sir Henry North, 1st Bt.
Hercules Rowley, 2nd Viscount Langford of Langford Lodge1 
He held the office of Member of Parliament (M.P.) for County Antrim between 1782 and 1791.1 He succeeded as the 2nd Viscount Langford of Langford Lodge, co. Antrim [I., 1766] on 18 December 1791.1 He succeeded as the 2nd Baron Summerhill, co. Meath [I., 1766] on 18 December 1791.1 On his death, his titles expired.1
Dudleia North1
by Peter Lely, 1670 1
Dudleia North is the daughter of Sir Henry North, 1st Bt. and Sarah Rayney.1 She married Sir Thomas Cullum, 2nd Bt. in 1656.1
From 1656, her married name became Cullum.1
Children of Dudleia North and Sir Thomas Cullum, 2nd Bt.
- Sir Dudley Cullum, 3rd Bt.1 b. 1657, d. 1720
- Thomas Cullum1 b. 1662, d. 1700
Sir Thomas Cullum, 2nd Bt.1 
by Peter Lely, 1680 1
Sir Thomas Cullum, 2nd Bt. was born in 1633.1 He married Dudleia North, daughter of Sir Henry North, 1st Bt. and Sarah Rayney, in 1656.1 He died in 1680.1
He gained the title of 2nd Baronet Cullum.
Children of Sir Thomas Cullum, 2nd Bt. and Dudleia North
- Sir Dudley Cullum, 3rd Bt.1 b. 1657, d. 1720
- Thomas Cullum1 b. 1662, d. 1700
Sir Dudley Cullum, 3rd Bt.1 
by Peter Lely 1
Sir Dudley Cullum, 3rd Bt. was born in 1657.1 He was the son of Sir Thomas Cullum, 2nd Bt. and Dudleia North.1 He died in 1720.1
He gained the title of 3rd Baronet Cullum.
Frances Rowley1 
From January 1794, her married name became Rowley. After her marriage, Frances Rowley was styled as Baroness Langford of Summerhill on 31 July 1800. She inherited her uncle Lord Langford’s estates.1
Children of Frances Rowley and Clotworthy Rowley, 1st Baron Langford of Summerhill
- Hon. Elizabeth Jane Rowley+2 d. 12 Aug 1864
- Hon. Harriet Rowley2
- Hercules Langford Rowley, 2nd Baron Langford of Summerhill+2 b. 1795, d. 3 Jun 1839
- Hon. Richard Thomas Rowley+2 b. 1812, d. 11 Nov 1887
Arthur Rowley1 
- [S37] BP2003 volume 2, page 2232. See link for full details for this source. Hereinafter cited as. [S37]
- [S474] FamilySearch, online http://www.familysearch.com. Hereinafter cited as FamilySearch.
- [S37] BP2003. [S37]
Thomas Cullum1 
by Peter Lely 1
Thomas Cullum was born in 1662.1 He was the son of Sir Thomas Cullum, 2nd Bt. and Dudleia North.1 He died in 1700, unmarried.1
Henry Musgrave Reade1 
Children of Henry Musgrave Reade and Annie Laura Bacon
- John Bacon Cooper-Reade+1 b. 1892
- Daisy Musgrave Reade+1 b. 1893, d. 1962
- Raymond Cooper-Reade+1 b. 1898
