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son

In a sentence
Môj starší syn je Lech Zaręba.
My elder son is Lech Zaręba.
Jeho syn chce byť právnikom.
His son wants to be a lawyer.
Je toto tvoj syn, Betty?
Is this your son, Betty?
Tento chlapec je môj syn.
This boy is my son.
Examples from Tatoeba (CC BY 2.0 FR).
Source
Slovak National Corpus (SNK) ↗English gloss from the frequency publish path. Example sentences from Tatoeba (CC BY 2.0 FR).
Full attribution on References.