 Johannes Jacobus de KokBorn 23 Aug 1874 Delfshaven Married 16 Feb 1898 Rotterdam to: Child: 1.  Wilhelmina Johanna Hendrina de KokBorn 27 Jan 1900 Rotterdam, died 02 Jul 1981 Rotterdam, 81 years, cremation 06 Jul 1981 Rotterdam, crematorium Rotterdam-Zuid | |||