Complex sentence: His father was a singer of Hindu religious hymns while his maternal grandfather Srivanchiyam Swaminatha Iyer rendered "padams" and "javalis" with a lilt that earned him the pet name "Thalukku" Swaminatha Iyer.
Split into simpler sentences: His father was a singer of Hindu religious hymns. His maternal grandfather Srivanchiyam Swaminatha Iyer rendered "padams" and "javalis" with a lilt that earned him the pet name "Thalukku" Swaminatha Iyer.