 Jitske "Jet" HummelBorn 28 Jun 1896 Menaldumadeel, died 21 Nov 1979 Leidschendam, age 83 years Married 20 Jan 1922 Leeuwarden, age 25 years (married 57 years) to:  Johannes Jacobus "Johan" Vellekoop, age by marriage 23 yearsBorn 24 May 1898 's-Gravenhage at 17:30 hour, died 19 Jul 1987 Leidschendam, age 89 years. Occupation: architect Child: | |||