They keep their own.
Or they combine their names.
Or they choose just one.
Windsor
Windsor
No. The maiden name is the woman's last name before she marries.
Even straight marriages don't require a name change. It is up to the people involved whether they want to change their name or not. Same for either orientation.
Bella's last name is swan, until she marries Edward (then it becomes "Cullen")
yes, you can make the last name what ever you want,.
Their last name is Geller but when Monica marries Chandler hers changes to Bing
marabella
She will be known as Catherine of Wales or Catherine of Windsor.
Edwards is Jennifer's last name before she marries Jonathan in the television series 'Hart to Hart'. Her husband's last name is Hart. Each one has pursued their own separate careers: Jonathan as CEO and Jennifer as journalist. So once married, Jennifer prefers to go by the name of 'Edwards-Hart'.
No, Kate will be called Her Royal Highness Princess of Whales. That or longer. The royal family does not take the last name from Bride.
No. 'Maiden' means a young lady. If a man has changed his name, even if taking his wife's last name when he marries, his previous name would be his "birth name".