Capt Gawin William Hamilton RN(3 Mar 1783 - 17 Aug 1834) Rev George Caldwell
Catherine Cockburne Harriet Abdy(bef 20 Jul 1786 - )
m. 24 Feb 1842
Archibald Rowan-Hamilton Catherine Anne Caldwell
b.  
d. May 1859
1st s. Of Killyleagh castle, Co Down, Ireland. Capt, 5th Dragoon Gds.
b.  
d.  
 
Children
Harriet Georgina Rowan-Hamilton(5 Feb 1843 - 25 Oct 1936)
Col Gawin Rowan-Hamilton(7 Mar 1844 - 22 Apr 1930)
George Rowan-Hamilton(10 Apr 1845 - )
Lt Sydney Augustus Rowan-Hamilton RN(1 Jul 1846 - 19 Apr 1868)
Lt-Col Frederick Temple Rowan-Hamilton(17 Jul 1850 - 9 Feb 1941)