Traditionally the man's name would come first.
If the woman has taken her husband's last name there are two ways to address the couple:
It is usually done in with the women's first. For example:Jane Smith and Waldo Harris
Your sister's husband is your brother-in-law. The daughter of his sister is his niece, and your sister's niece, but is not related to you. Assuming the child was born to the woman before she met your brother, the daughter of the woman whose brother married your sister is not related to you.
John Lennon
no
When the first beautiful woman married him.
A widow (woman) or widower (man) would be someone whose spouse had died after they were married.
George Washington, his wife 'Martha Washington' was the first woman to be called 'the First Lady'.
butho
No, you do not share a common ancestor.
Yes - he married an English woman whose father was American and they had three sons together.
Mrs., the abbreviation for Mistress, is a title for a married woman or a widow. Ms. is a title used for a woman whose marital status is unknown or irrelevant (as in business). The letters Ms. are not an abbreviation of a word, they are an amalgamation drawn from the letters of Miss and Mrs.
Señora is Spanish for Mrs. or for a woman whose married (Sra. Name (Sra. Is just like Mrs. Hope this helped ;)