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baptismal

In a sentence
Nemôžem si spomenúť na jeho krstné meno.
I can't recall his first name.
Nemôžem si spomenúť na jej krstné meno.
I can't recall her first name.
Neviem si spomenúť na jej krstné meno.
I can't recall her first name.
Neviem si spomenúť na jeho krstné meno.
I can't recall his first name.
Examples from Tatoeba (CC BY 2.0 FR).
Source
Slovak National Corpus (SNK) ↗English gloss from the frequency publish path. Includes Tatoeba example sentences when present.
Full attribution on References.