###Live Caption:A69C0585.JPG Phyllis Lyon, left, and Del Martin, who have been together for 51 years, embrace after their marriage at city Hall. They are the first legally married same-sex couple in San Francisco. In the background from left are Kate Kendell, Executive director of the National Center for Lesbian Rights, and Roberta Achtenberg, Senior Vice President of the San Francisco chamber of Commerce. In the background on the right are members of Mayor Gavin Newsom's staff, including Steve Kawa, center, chief of Staff and Joyce Newstat, Director of Policy, far right.. The first legally married same-sex couple in San Francisco are married by City assessor/Recorder mabel Teng in her office at City Hall. Phyllis Lyon and Del Martin, who have been together for 51 years say their vows. LIZ MANGELSDORF/ The Chronicle MAGS OUT/TV OUT/NO SALES Phyllis Lyon (left) and Del Martin, who have been together for 51 years, embrace after their historic marriage ceremony at City Hall. Phyllis Lyon (left) and Del Martin, lesbian activists who have been together for 51 years, embrace after their marriage ceremony at San Francisco City Hall. Ran on: 06-20-2004 Dinh Ngoc Tran, 88, left, and his wife, Nhan Thi Tran, 84, have been together since 1932. Ran on: 08-13-2004 Phyllis Lyon (left) and Del Martin, together for 51 years, were the first of 90 same-sex couples to be married at City Hall on Feb. 12. ALSO RAN 12/26/04 Ran on: 02-12-2005 Ran on: 02-12-2005 Ran on: 10-21-2007 San Francisco Mayor Gavin Newsom, who weathered a scandal earlier this year, faces no significant challengers in his bid for re-election. ALSO Ran on: 10-21-2007 San Francisco Mayor Gavin Newsom, who weathered a scandal earlier this year, faces no significant challengers in his bid for re-election.###Caption History:A69C0585.JPG Phyllis Lyon, left,...