According to the census like information on http://rotterdam.digitalestamboom.nl/scan.aspx?book=R&id... died his father on 12 October 1927 in Rotterdam. The index on the death record gives

Overledene Klaas Smit , leeftijd 51 jaar
Vader Johannes Smit
Moeder Anna Honig
Echtgenoo/te Elisabeth Tijssen
Plaats Rotterdam
Datum overlijden 12-10-1927
Opmerkingen akte nr. 4219
Geboorteplaats Beverwijk
Bron Rotterdam 1927 e014
The original death record is on https://familysearch.org/pal:/MM9.3.1/TH-1-10795-52052-7?cc=... It shows that he is buried in grave # 2644. Graves in the Netherlands last usually for 10 years. So his grave is not available anymore.