 Sybrandus Pieters Pietersma, son of Pieter Sjerps Pietersma and Evertje Gerbens Zijlma.Born 7 May 1840 Tirns, died 28 May 1936 Irnsum, age 96 years, buried Irnsum Married/ Related to:  Trijntje Ages Postma, daughter of Age Eelkes Postma and Rimkje Gerrits "Riemkje" Bouwhuis.Born 29 Dec 1859 Haskerdijken, died 29 Jul 1949 Blauwhuis, age 89 years, buried Irnsum | |||
| 2nd marriage Sybrandus Pieters Pietersma, son of Pieter Sjerps Pietersma and Evertje Gerbens Zijlma. Married 22 Apr 1875 Wonseradeel, age 34 years (married 7 years) to: Dirkje Bruinsma, age by marriage 22 years, daughter of Gerben Minnes Bruinsma and Akke Durks van der Meulen.Born 5 Apr 1853 Oosterwierum, died 25 Mar 1883 Grouw, age 29 years, buried Irnsum | |||