Michael Grant, 12th Baron de Longueuil

Michael Charles Grant 12th Baron de Longueuil
Shield of the coat of arms
Born	Michael Grant de Longueuil 1947 (age 69–70)
Occupation	Medical practitioner, painter
Spouse(s)	Isabel Padua Susan Casey
Children	Angela, Rachel, Rebecca, David Alexander
Parent(s)	Raymond Grant de Longueuil and Anne Maltby

Michael Charles Grant, 12th Baron de Longueuil (born 1947) is a nobleman possessing the only French colonial title recognized by the Monarchy of Canada, currently his second cousin once removed, Elizabeth II of Canada.

He assumed the title of Baron de Longueuil in 2004 upon the death of his father, Raymond Grant, in Navarrenx, near Pau, France.

He is related to the monarch of the Commonwealth realms through his grandmother, Ernestine Maude Bowes-Lyon. She was first cousin to Lady Elizabeth Bowes-Lyon, later Queen Elizabeth, the Queen Mother. The baron is a second cousin, once removed, to Queen Elizabeth II.

A medical practitioner, Grant de Longueuil has interests in palliative medicine, working for 13 years at . His interest in pain control led him to take a degree in clinical hypnosis. Since retiring from full-time work, he has started painting. He has a studio in the South of France in Navarrenx.

He currently lives on the Isle of Arran, Scotland.

Grant de Longueuil married Isabel Padua Grant, born in the Philippines and of mixed Spanish and Filipino origin. Together, they have three children:

His second wife is Susan Casey, daughter of the BBC comedy writer and producer James Casey. They have one son:

The Barons de Longueuil have not lived in Canada for several generations, having lived in Scotland and France and, in the 1970s, in Luzon, Philippines.