Fi's cousin is gay and she is "married" (not legally because it's not legal in Idaho) to her partner of 12 years. They have not legally changed any names or decided on a unified last name. Sometimes they hyphenate (sp) the names sometimes they don't. Do I just send the invite to them with seperate names or hyphenate it? I don't think they will be offended either way but I want to make sure I do this right.