US television actor Barry Williams\' girlfriend, Elizabeth Kennedy, told RumorFix Wednesday she has given birth to their daughter. Williams, 57, is best known for his portrayal of oldest sibling Greg Brady on the 1970s sitcom \"The Brady Bunch\" and several subsequent \"Brady\"-themed series, films and specials. RumorFix said his daughter Samantha Rose was initially expected to be born April 23 but came early. The gossip Web site did not say exactly when or where the couple\'s first child was born. Williams also has a 9-year-old son from a previous relationship.