Udalrich was born in 0930.1 Udalrich's father was Meginhard von Traungau I and his mother was <Unknown>. His paternal grandparents were Udalrich von Donaugau and <Unknown>. He had two brothers named Meginhard and Ulrich. He was the second oldest of the three children. He died at the age of 65 in 0995 in Germany.1