On 21 October 1710, Ashburnham married Lady Mary Butler (died 1713), the second daughter of James Butler, 2nd Duke of Ormonde. After _her_ death, he married, on 25 July 1714, Henrietta, Dowager Countess of Anglesey and 4th Baroness Strange; they had one child, Henrietta (c.1716--1732), later 5th Baroness Strange. <sep>, Pronoun: her <sep>, A: Henrietta <sep>, B: Dowager Countess