kumarasya
kumārasya — of boys like you; SB 4.8.27
kumārasya — of his newly born son; SB 6.14.33
kumārasya — of the newly born child; SB 6.14.35
kumārasya — of the son born of Śakuntalā; SB 9.20.18
kumārasya — for his child; SB 10.56.15