Magenis married firstly, 1788, Lady Elizabeth Anne Cole (died 26 May 1807), daughter of
William Cole, 1st Earl of Enniskillen and niece of Hon.
Arthur Cole-Hamilton, with whom he represented Enniskillen. They had five sons and four daughters. • Richard William Magenis, his heir • William John Cole Magenis • Lieut.-Col. Henry Arthur Magenis (July 1795 – 11 June 1828) of the 87th
Royal Irish Fusiliers • John Balfour Magenis (died 1862), married Frances Margaretta Moore, daughter of Judge
Arthur Moore and Frances Stoney • Sir
Arthur Magenis (–1867), British diplomat • Anne Louise Magenis (died 1855), married in 1821 David Albemarle Bertie Dewar • Elizabeth Anne Magenis (died 1882), married James Wilmot Williams, of Heringston, Dorset • Florence Sarah Magenis, died unmarried • Florence Catherine Magenis (died 1837), married in 1821
John Ashley Warre Magenis married secondly, Elizabeth Callander, widow of Col. George Dashwood, and daughter of James Callander Campbell, of Craigforth, a claimant of the
Campbell baronetcy. With her he had a sixth son: • Frederick Richard Magenis (1816–1866), died unmarried ==References==