- Born: 5 Aug 1821, Overgaard, Hesselbjerg, Sejerslev Sogn, Morsø Nørre herred, Thisted Amt
- Marriage (1): Svenning Olesen Søndergaard
- Marriage (2): Peder Andersen Kloster on 13 May 1870 in Sejerslev Kirke 4370
- Died: 12 Apr 1901, Søndergaard, Hesselbjerg, Sejerslev Sogn, Morsø Nørre herred, Thisted Amt at age 79
- Buried: 19 Apr 1901, Sejerslev Kirkegård
 Another name for Sidsel was Sidsel Jensdatter Søndergaard.
Sidsel married Svenning Olesen Søndergaard. (Svenning Olesen Søndergaard was born in 1799, died on 14 Dec 1868 in Hesselbjerg, Sejerslev Sogn, Morsø Nørre herred, Thisted Amt 19578 and was buried on 22 Dec 1868 in Sejerslev Kirkegård 19578.)
Sidsel next married Peder Andersen Kloster, son of Anders Christensen Kloster and Dorthe Marie Pedersdatter, on 13 May 1870 in Sejerslev Kirke.4370 (Peder Andersen Kloster was born on 7 Apr 1821 in Sennels Sogn, Hillerslev Herred, Thisted Amt,2647 died on 28 Aug 1894 in Hesselbjerg, Sejerslev Sogn, Morsø Nørre herred, Thisted Amt 2648 and was buried on 4 Sep 1894 in Sejerslev Kirkegård 2648.)
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