共娘隔爺 [－－－爷]

Jyutping gung6 noeng4 gaak3 je4
Pinyin gòng niáng gé yé

Definitions (Wiktionary)
  1. adj, Xiang
    born of the same mother but a different father
    (syn.) 仝母各爸, 同母异父, 同母異父