Fredrik married Maren Alette Olsdtr SØRLI on 16 Sep 1893 in Sørum Kirke. Maren (daughter of Ole Engebretsen AASGAARD and Maren Christiansdtr SØRLI) was born on 19 Dec 1865 in Sørli, Sørum, Romerike; died in May 1907. [Group Sheet] [Family Chart]

1. Reidar Arthur Oliver PEHRSEN was born on 24 Jun 1894 in Fredrikstad, Østfold; died on 18 Apr 1974.
2. Ingrid Marianne PEHRSEN was born on 24 May 1896 in Fredrikstad, Østfold; died on 30 Jul 1987.
3. Randi Fredriksen PEHRSEN was born on 9 Aug 1898 in Fredrikstad, Østfold; died on 28 May 1984.
4. Tordis PEHRSEN was born on 23 May 1901 in Fredrikstad, Østfold; died on 28 Sep 1969.
5. Erling Sørli PEHRSEN