Ibrahiiim Sheik,yes,Hindus know the names of Grandfather's grandfather since we have a lineage that doesn't need to be hidden or forgotten.While some of our Minorities were forcefully converted to their current religion by invaders like Mughals,their soldiers,Portuguese,they tend not to remember their Hindu ancestors.That is why some of the people from those religions are at war with Hindus even when their own ancestors were Rams,Krishnas,Kehsva and Govinds of this country.Don't forget roots even when you change to foreign faiths.Gandhis too are good examples who have followed suit disowning their Kashmiri Pandit ancestry /lineage(taken out only to have public show when there is wedding or funeral.Why was Rajiv,a Parsee's son given Hindu rites and Priyanka,the daughter of a Catholic and Parsee given away in Marriage following Hindu rites? All for the camera!)