Sybrand Arends van Kammen, born circa 1825 (?), baker.
Sybrand was married to
Trijntje Posthuma, born circa 1829 (?).
From this marriage:
- 8 : Roelofke van Kammen, born in Harlingen on December 23, 1865, died in the year 1944, aged 79 years.
Roelofke was married in Harlingen on December 18, 1890, at the age of 24 to Auke Tigchelaar (aged 22 years), born in Harlingen on April 5, 1868, son of Haye Gerbens Tigchelaar (sailor and merchant) and Anna Margrieta Nauta, kraanmeester.