Ulrich was the son of Ulrich I and Mechthild of Baden. He acceded power in 1265, at the age of 11 and, thus, was most likely under the tutelage of Count Hartmann II of Grüningen.
The young Ulrich succeeded his father in 1265, taking power at the tender age of 11. It is probable that he received tutelage from Count Hartmann II of Grüningen during this period.