 Siebold Heeres Poelsma, son of Heere Harmens Poelsma and Elisabeth Franses Schaafsma.Born 9 Jan 1800 Leeuwarden, died 4 Feb 1844 Achlum, age 44 years, buried Hitzum Married 6 May 1821 Franeker, age 21 years (married 5 years) to:  Saske Pieter "Cicilia" Jorritsma, age by marriage 18 years, daughter of Pieter Tjeerds Jorritsma and Antje Jans Salverda.Born 9 Mar 1803 Lutjelollum, died 22 Feb 1827 Franekeradeel, age 23 years Child: | |||
| 2nd marriage Siebold Heeres Poelsma, son of Heere Harmens Poelsma and Elisabeth Franses Schaafsma. Married 20 Jan 1828 Franeker, age 28 years (married 16 years) to: ELisabeth Klaazes Faber, age by marriage 24 years, daughter of Klaas Jelles Faber and Gatske Aukes Homminga.Born 6 Aug 1803 Franeker, died 12 Jan 1868 Herbaijum, age 64 years, buried Dongjum Children: 1. Ynskje Sibolts PoelsmaBorn 28 Oct 1828 Achlum, died 9 Oct 1903 Achlum, age 74 years, buried Wijtgaard 2. Baukje Sybolts PoelsmaBorn 23 May 1830 Achlum, died 30 Mar 1904 Almenum, age 73 years, buried Almenum 3. Herre Sibbolts PoelsmaBorn 16 Oct 1832 Achlum, died 18 Nov 1889 Herbaijum, age 57 years, buried Wijtgaard | |||