A man who provided sperm to a lesbian couple in response to an online ad is the father of a child born to one of the women and must pay child support, a Kansas judge ruled Wednesday. Topeka resident William Marotta had argued that he had waived his parental rights and didn’t intend to be a father. Shawnee County District Court Judge Mary Mattivi rejected that claim, saying the parties didn’t involve a licensed physician in the artificial insemination process and thus Marotta didn’t qualify as a sperm donor, The Topeka Capital-Journal reported. ‘‘In this case, quite simply, the parties...