Three years of tax returns for Richard Williams show he made almost $2 million managing his tennis phenom daughters, Venus and Serena, according to lawyers suing the family for damages in a contract dispute over a 2001 Battle of the Sexes tournament. Attorneys for Carol Clarke and Keith Rhodes, principals in a company known as CCKR, say the 1998, 1999 and 2000 tax returns were public documents found in the divorce file of Richard and Oracene Williams. .