Rudolf de Altdorf II & Ida von Oeningen 
They had a son named Guelph.
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Personal Details
Birth Notes
B: Abt. 955Death Notes
D: Abt. 10 Mar 991Death Notes
D: Abt. 16 Oct 1020
Rudolf de Altdorf II
Rudolf was born in 0955.1
Ida von Oeningen
Ida was born in 0952.1 She died at the age of 68 on October 16th, 1020.1
1 http://wc.rootsweb.com/cgi-bin/igm.cgi?op=PED&db=jdp-fam&id=I7189&style=TABLE
2 http://wc.rootsweb.com/cgi-bin/igm.cgi?op=PED&db=jdp-fam&id=I80744&style=TABLE
2 http://wc.rootsweb.com/cgi-bin/igm.cgi?op=PED&db=jdp-fam&id=I80744&style=TABLE