You may use Mrs, or Ms or no title if you prefer. It's up to you.
Most woman who are single are known by the social title Miss or Ms. Most woman who are married are known are known as Mrs. When a woman is changing her social status and therefore her social title she may be called ein bedeutet Mrs.
The proper title for a widow is "Mrs." followed by her deceased husband's first and last name. Alternatively, she may choose to keep using her married name if she prefers.
There is no title "Archduke of Britain"
The correct title is: Mrs. Jane Doe & Miss Kate Doe.
When addressing a woman, you can use the title Ms. or Mrs. based on her preference.
The full title of the country is: 'The United Kingdom of Great Britain and Northern Ireland'.
Mrs.
J.K. Rowling's title is "Ms." She uses this title in her professional life.
Mrs, means that the lady is a married woman.
Title
No. The abbreviation (Mrs.) is a title, an honorific meaning "mistress" or "married woman."