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.
1945
of old age
No, the mother doesn't die... but the grandfather does.
She died of Cancer.
Daniel Marquis died in 1879.
Marquis Childs died in 1990.
André Marquis died in 1957.
Marquis of Qin died in -848.
Marquis Cooper died in 2009-03.
William V. Marquis died in 1899.
Marquis Mu of Jin died in -785.
Roger Marquis died on 2004-07-19.
Eugène Marquis died on 1994-11-15.
Marquis Xian of Jin died in -812.