Ola married Seborg Knutsdtr STRANDE on 2 Sep 1854 in Østre Slidre. Seborg (daughter of Knut Olsen STRANDE and Barbro Olsdtr JØRSTAD) was born on 23 Feb 1833 in Strande 37/7 Midtre Under Jørstad Øs; and died. [Group Sheet] [Family Chart]

1. Marit Olsdtr ONSTAD was born on 14 Sep 1853 in Onstad I Øs; and died.
2. Knut Olsen ONSTAD was born on 26 Feb 1855 in Onstad I Øs; and died.
3. Barbro Olsdatter ONSTAD was born on 8 Dec 1856 in Onstad I Øs; and died.
4. Clara Sofie ONSTAD was born on 17 Apr 1871 in Valdres, WI. USA; and died.