This rhetorical question can be translated as a statement. Alternate translation: "You should know that I revealed myself ... house of Pharaoh." (See: [[rc://en/ta/man/jit/figs-rquestion]])
The word "house" is a metonym for the people who lived in the house, and "father" refers to a distant ancestor. Alternate translation: "the family of your ancestor" (See: [[rc://en/ta/man/jit/figs-metonymy]])