共爺隔娘 [－爷－－]

Jyutping gung6 je4 gaak3 noeng4
Pinyin gòng yé gé niáng

Definitions (Wiktionary)
  1. adj, Xiang
    born of the same father but a different mother
    (syn.) 同父异母, 同父異母, 仝爸各母