chakushide
1. Firstborn son; Legitimate son
★ Common
Noun
#146323
1. Firstborn son; Legitimate son
1. heir
2. legitimate child
1. Probably eldest son.; Likely legitimate son.
1. If (he is) the legitimate son; If (he is) a direct/eldest son
1. Legitimate son.; Eldest son.
1. Was legitimate son.; Was eldest son.
1. Not a legitimate/direct son.; Not a biological son.
1. Was not legitimate son.; Was not eldest son.
1. Eldest son's; Firstborn son's
1. Was legitimate son.