Stressed out keep negativity to self I just need answers

If I had sex April 22nd guy 1 then caught a period May 1st lasted 6 days and then bled again as a second period (ovulation bleeding it was confirmed) both were dark and heavy red / brownish .. then have sex again with guy 2 May 19th and every day after that and didnt get a period again had implantation bleeding June 17th ... who IS the dad for sure !? HELP