Passage: Sobekhotep was the son of the 'god's father' Haankhef and of the 'king's mother' Kemi. His grandfather was the soldier of the town's regiment Nehy. His grandmother was called Senebtysy. Sobekhotep might have had several wives, only one of which is known for certain, the "king's wife" Tjan. Several children are known. These are Amenhotep and Nebetiunet, both with Tjan as mother. There are three further king's sons: Sobekhotep Miu, Sobekhotep Djadja and Haankhef Iykhernofret. Their mother is not recorded in extant sources.

Question: How many further king's sons are there?
three