well it's a question of choosing between absolutism and relativism in this case i think relativism pardon the pun wins the day no one who has heard of the father will not have heard of the son no one who not heard of the father will be looking for his page still nonexistent we can always add a disambiguation page later if anyone complains in that case i think your suggestion of making it nabokov is correct in the meantime the policy on foreign names is in wikipedia naming conventions anglicization and there's also a current discussion at wikipedia talk manual of style and welcome to the wikipedia you'll find lots of discussions like this all the time your knowledge and interest will be welcome as will your politeness