Both Williams' are men. Their father must have known, in fact, most likely is responsible for doing this to his sons or maybe they were adopted or bought.

These fraudsters must pay. They stole from women tennis stars. They lie every moment of their lives. It’s a huge insult to women because there is nothing, not one cell nor drop of blood, in a man that can be found in a woman and vice versa. This baphotranny movement is sickening, profane and ungodly.