Etterkommere:
Maria Monsdatter GELVIG(1714 - 1748)
\--- Anna Johannesdatter GELVIG #(1740 - 20 APR 1815)
	   \--- Mons Monsen Indre FOSSE #(1780 - )
	   	   \--- Mons Monsen Indre FOSSE #(2 OCT 1808 - )
	   	   	   |--- Ingeborg Monsdatter Indre FOSSE #(17 DEC 1842 - )
	   	   	   |	   |--- Johanna Sofia Holgersdatter ERSTAD #(20 OCT 1873 - 1947)
	   	   	   |	   |	   |--- Harald ERSTAD #(14 AUG 1903 - )
	   	   	   |	   |	   |--- Ingeborg ERSTAD #(3 JAN 1908 - 12 MAR 1979)
	   	   	   |	   |	   |	   |--- Lillian Irene GAUSTAD #(30 AUG 1930 - ) (1/2)
	   	   	   |	   |	   |	   |	   \---> (7)
	   	   	   |	   |	   |	   |--- Jorunn GAUSTAD #(30 MAR 1936 - ) (1/2)
	   	   	   |	   |	   |	   |	   \---> (9)
	   	   	   |	   |	   |	   \--- Ole Bjorn GAUSTAD #(3 MAR 1936 - ) (1/2)
	   	   	   |	   |	   |	   	   \---> (4)
	   	   	   |	   |	   |--- Martha ERSTAD #(3 JAN 1908 - 26 JAN 1970)
	   	   	   |	   |	   |	   |--- Olav Kristoffer ISDAL #(26 NOV 1937 - )
	   	   	   |	   |	   |	   \--- Kirsten ISDAL #(23 NOV 1943 - )
	   	   	   |	   |	   |--- Knut ERSTAD #(22 NOV 1909 - 31 AUG 1979)
	   	   	   |	   |	   |--- Holger ERSTAD #(10 FEB 1912 - 3 DEC 1986)
	   	   	   |	   |	   |	   |--- Solveig ERSTAD #
	   	   	   |	   |	   |	   |--- Mari ERSTAD #
	   	   	   |	   |	   |	   \--- Edvin ERSTAD #
	   	   	   |	   |	   \--- Trygve ERSTAD #(9 NOV 1916 - 8 SEP 1994)
	   	   	   |	   |--- Karl Holgersen ERSTAD #(2 FEB 1876 - )
	   	   	   |	   |--- Johan Holgersen ERSTAD #(29 APR 1871 - )
	   	   	   |	   |--- Johanna Sofie Holgersdatter ERSTAD #(4 JAN 1864 - 14 JUL 1870)
	   	   	   |	   |--- Anna Maria Holgersdatter ERSTAD #(22 OCT 1880 - )
	   	   	   |	   |--- Magnus Andreas Holgersen ERSTAD #(10 DEC 1867 - 6 AUG 1880)
	   	   	   |	   |--- Kristoffer Holgersen ERSTAD #(5 SEP 1884 - )
	   	   	   |	   \--- Mons Olai Holgersen ERSTAD #(1 JAN 1866 - )
	   	   	   \--- Mons Olai Monsen Indre FOSE #(1833 - 2 AUG 1842)

Aner:
Maria Monsdatter GELVIG(1714 - 1748)