Meaning of the Sanskrit Word: aprajasya

  aprajasya—of he who had no son    SB 9.1.13
  aprajasya—who had no sons    SB 9.6.2
  aprajasya—of Vicitravīrya, who had no progeny    SB 9.22.25
  aprajasya—of one who did not have a son before    SB 10.5.23

Can't find any compound Sanskrit words containing aprajasya.