1770, and his mother died of cancer, but I don't know why his grandfather died.
Marquis de Mores died in 1896.
Jim Marquis died August 5, 1992, in Jackson, CA, USA.
When the theives broke in.
Marie Antoinette's mother died 1790
1945
No, the mother doesn't die... but the grandfather does.
She died of Cancer.
Marquis of Qin died in -848.
Daniel Marquis died in 1879.
Marquis Childs died in 1990.
André Marquis died in 1957.
Marquis Cooper died in 2009-03.
William V. Marquis died in 1899.
Marquis Xian of Jin died in -812.
Eugène Marquis died on 1994-11-15.
Roger Marquis died on 2004-07-19.
Marquis of Verboom died on 1744-01-19.