© Reuters

2018 - An Hui (left) and his partner Ye Jianbi walk with their three sons in Shenzhen, Guangdong province, China.

© Reuters

2015 - Jason Howe (right) and his husband Adrian Perez-Boluda play with their twin daughters in their backyard in Los Angeles.

© Reuters

2012 - Celeste Douville (center) and Cynthia Riggin pose for their son in Seattle.

© Reuters

2017 -

Leber Li (right) drives with partner Amely Chen and their son in Yilan, Taiwan.

© Reuters

2016 - American Gordon Lake (right) and his Spanish husband Manuel Santos with their daughter at a press conference in Bangkok.

© Reuters

2008 -

Erin-Kate Whitcomb (right) and Michele Rutherford outside San Francisco City Hall with their children after getting married.

© Reuters

2013 - A gay couple and their children attend an LGBT pride rally in Brussels.

© Reuters

1997 - Michael Galluccio (left) and John Holden with their son at their home in Maywood, New Jersey.

© Reuters

2012 - Along with their children, a British gay couple and a lesbian Swiss couple attend the Second European Meeting of LGBT People in Lloret de Mar, near Girona, Spain.

© Reuters

2014 - Valeria Tanco (left) and Sophy Jesty pose with their baby girl at home in Knoxville, Tennessee.

© Reuters

2009 - James Reifsnyder-Smith (left) and Frank Reifsnyder celebrate their one-year wedding anniversary, together with their twins, in West Hollywood, California.

© Reuters

2006 - Antonia Meléndez (left) and her partner María Ángeles Zucilla take their baby for a stroll in Algeciras, Spain.

© Reuters

2008 - A lesbian couple with their infant daughter at home in Los Angeles.

© Reuters

2006 -

This gay couple and their children attend the Road Runner Regional Rodeo in Phoenix, sponsored by the Arizona Gay Rodeo Association.

© Reuters

2011 - This Spanish couple kiss their twin newborns at a private hospital in New Delhi, India.

© Reuters

2010 - Ema Villanueva (right) and Janice Alva enjoy a day at the park with their daughter in Mexico City.

© Reuters

2009 -

Julia Gonsalves and Andrea Bruner (left) with their daughter as they take part in the LGBT pride parade in Toronto.

© Reuters

2004 - Eric Ethington (left) and partner Doug Okun with their twin daughters in San Francisco.

© Reuters

2015 - From Spain, Luis Delgado (left) and husband Antonio Fernández hold their infant children in Cancún, Mexico.

© Reuters

2006 - Marcye and Karen Nicholson-McFadden (right) listen as their son talks to the press in Newark, New Jersey.

© Reuters

2015 -

Joseph Vitale (left) and his husband Robert Talmas go for a walk with their son near their New York City apartment.

© Reuters

2013 - Theresa Volpe (right) and Mercedes Santos read a Valentine's Day card given to them by their son in Wilmette, Illinois.

© Reuters

2012 - Tascha Madaffari (left) with her partner Laura Whitman and their children in Decatur, Georgia.

© Reuters

2013 - Paul Mowry (right) and Joe Silverman at home with their daughter in Sausalito, California.

© Reuters

2009 - Tori and Kate Kuykendall (right) hold their daughter as they take part in a rally in Los Angeles.

© Reuters

2011 - Jonathan Mintz (left) and John Feinblatt with their daughters after getting married in New York City.

© Reuters

2015 - Plaintiffs Jayne Rowse (left) and April DeBoer attend a press conference in Los Angeles with their children ahead of the U.S. Supreme Court decision that would ultimately legalize same-sex marriage in the United States.

© Reuters

2015 -

At a rally in Ann Arbor, Michigan with their children, Beth Sherman (left) and wife Karen Hawver celebrate the legalization of same-sex marriage in the United States.

© Reuters

2010 -

Rocky Galloway (left) and Reggie Stanley hold their daughters after getting married in Washington, D.C.

See also: Mass same-sex weddings around the world.

© Reuters