Ludwig IV+ Thuringen & Elizabeth+ Arpad 
They had a daughter named Sophie Von+.
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Personal Details
Ludwig IV+ Thuringen
Ludwig IV+ was born on October 28th, 1200. He died at the age of 26 on September 11th, 1227 in Otranto.
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Children
Sophie Von+ Thuringen
Sophie Von+ was born on March 20th, 1224. She died at the age of 51 on May 29th, 1275.