b. ?1765, 2nd but 1st surv. s. of Sir John Dashwood King†, 3rd bt., of Halton and Sarah, da. of Edmund Moore of Sayes House, Chertsey, Surr. educ. M. Temple 1778; Christ Church, Oxf. 21 Oct. 1783, aged 18. m. 29 Aug. 1789, Mary Anne, da. of Theodore Henry Broadhead of Monk Bretton, Yorks., 5s. (3 d.v.p.) 2da. (1 d.v.p.). suc. fa. as 4th bt. 6 Dec. 1793. d. 22 Oct. 1849.