Jonas married Mary Anne Parker on 14 Oct 1876 in Register Office, Windsor, Berkshire, England. Mary (daughter of James Parker and Tracey Clewer) was born on 21 Nov 1826 in Maidensgrove, Oxfordshire, England; was christened on 24 Dec 1826 in Pishill, Oxfordshire, England; died on 27 Jun 1915 in Union Workhouse, Old Windsor, Berkshire, England; was buried on 30 Jun 1915 in St. Andrew's, Clewer, Berkshire, England. [Group Sheet]

1. Sarah Providence Allen was born on 18 Nov 1871 in New Windsor, Berkshire, England; died on 3 Mar 1950 in Croydon District, Surrey, England.