Arnold Count Of ALTENA & Mathilda (Mechtildis) Van HOLLAND 
They had a son and a daughter, named Friedrich II Count Of and Agnes Countess Of.
Family Notes
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Personal Details
Arnold Count Of ALTENA
Arnold Count Of was born about 1146 in Of, Altena, Westpfalz, Prussia. He died after 1209.
Mathilda (Mechtildis) Van HOLLAND
Mathilda (Mechtildis) Van was born about 1163 in Of, , , Netherlands. She died after 1223.
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Children
Friedrich II Count Of ALTENA
Friedrich II Count Of was born about 1176 in Of, Altena. He died on November 13th, 1226 in Koln, Rheinland, Prussia.