 Siebolt Franses Poelsma, son of Franciscus Herres Poelsma and Sietske Ypes Jongma.Born 21 Mar 1844 Hartwerd, died 7 Jan 1922 Leeuwarden, age 77 years, buried Wytgaard Married 8 May 1869 Wymbritseradeel, age 25 years (married 10 years) to:  Doetje Ydema, age by marriage 21 years, daughter of Hille Sybrens Ydema and Froukjen Pieters Koopmans.Born 12 Mar 1848 Oosterend, died 13 Apr 1880 s Hertogenbosch, age 32 years, buried s-Hertogenbosch Children: 2. Froukje PoelsmaBorn 4 Oct 1873 Tirns, died 20 Jun 1923 Leeuwarden, age 49 years, buried Leeuwarden | |||
| 2nd marriage Siebolt Franses Poelsma, son of Franciscus Herres Poelsma and Sietske Ypes Jongma. Married 27 Apr 1889 Leeuwarden, age 45 years (married 32 years) to: Johanna Idzes Bonthuis, age by marriage 40 years, daughter of Ids Meintes Bonthuis and Wilhelmina Regina Meinderts "Reinschjen" van der Poort.Born 20 Jul 1848 Westermeer, died 1 May 1922 Leeuwarden, age 73 years, buried Wijtgaard, 1st marriage to: Bouke Jans Jorna, 2nd marriage to: Siebolt Franses Poelsma Child: 1. Barbara Elisabeth (Boukje) PoelsmaBorn 5 Jul 1890 Leeuwarden, died 23 Oct 1966 Leeuwarden, age 76 years, buried Leeuwarden | |||