and related: Kiliś, Kostewicz, Pawelski, Sadlakowski, Wyrzykowski...
| 1. | Leon Michałowski was born on 21 Mar 1929 in Szczypiorno, mazowieckie; was christened on 1 Apr 1929 in Pomiechowo, św. Anny, nowodworski; died on 17 Nov 1929 in Szczypiorno, mazowieckie. |
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