 Sjoukje Knoop, daughter of Durk Knoop and Marijke van der Ark.Born 7 Jun 1898 St. Nicolaasga, died 5 Feb 1988, age 89 years, buried St. Nicolaasga Married 3 Jan 1936 Doniawerstal, age 37 years (married 52 years) to:  Siebolt Johannes Visser, age by marriage 58 or 59 years, son of Johannes Visser and Froukjen de Boer.Born 1877 Langweer | |||
| 2nd marriage Sjoukje Knoop, daughter of Durk Knoop and Marijke van der Ark. Married after 1945, age at least 47 years (married at most 24 years) to: Jacobus Jellesma, age by marriage at least 58 years, son of Jacob Jelles Jellesma and Margarietha Josina Dopheide.Born 4 Aug 1887 St. Nicolaasga, died 15 Jan 1969 St. Nicolaasga, age 81 years, buried St. Nicolaasga, 1st marriage to: Henderina Pot, 2nd marriage to: Sjoukje Knoop | |||