It's the last name of father & son novelists Kingsley & Martin
If 
Martin has a true literary father, in fact, it's not Kingsley but Saul... [DOC] [TLE] His Father's Son - The New York Times [PAR] May 28, 2000 ... artin Amis, son of Kingsley and likewise a novelist with acid in his ... Why Martin's 
mouth should have been of such consuming interest to ... (Good names, too: 
Philip Larkin, Saul Bellow, Christopher Hitchens, Tina Brown and John Travolta.