daGama's son CRISTOVAO da GAMA was indeed an early victim of the JIHAD: http://en.m.wikipedia.org/wiki/Cristov%C3%A3o_da_Gama
Gama's death and aftermath Cristóvão da Gama was brought to Ahmad Gurey's camp, where the Imam produced the tweezers Gama had given him and began to pluck out his beard. There Gama was tortured in an attempt to force him to convert to Islam. In the end Ahmad Gurey chopped off Gama's head and tossed it into a nearby spring, whose waters Castanhoso reported gained a reputation for giving "health to the sick". Lobo elaborates upon this story, claiming that upon hearing of this miracle the Imam had a dead dog tossed into the spring and the spring covered with a cairn of stones. [Vasco da Gama and his wife, Catarina de Ataíde, had six sons and one daughter: ... Dom Cristovão da Gama, captain of Malacca fleet from 1538 to 1540; nominated to succeed in Malacca, but executed by Ahmad ibn Ibrahim during the Ethiopian-Adal war in 1542.] ...
