On 6 February 1661, he married Blanche Wodehouse, eldest daughter of Sir Philip Wodehouse, 3rd Baronet.[9] They had four sons and a daughter.[2] Astley was buried at Melton Constable few days after his death.[9] He was succeeded in the baronetcy by his second and oldest surviving son Philip.[2] MP Philip Metcalfe was his great-grandson.
^Eveline Cruickshanks, Stuart Handley and D. W. Hayton, ed. (2002). The House of Commons, 1690-1715. Vol. III. Cambridge: Cambridge University Press. p. 83.
^ abcBurke, John (1832). A Genealogical and Heraldic History of the Peerage and Baronetage of the British Empire. Vol. I (4th ed.). London: Henry Colburn and Richard Bentley. p. 51.
Harries, R.; Cattermole, P.; Mackintosh, P. (1991). A History of Norwich School: King Edward VI's Grammar School at Norwich. Norwich: Friends of Norwich School. ISBN978-0-9518561-1-6.