RZYSZCZEWSKI: Root RZYSZCZ from RŻYSKO: a stubble field, after corn has been mowed
The only thing related I found on the internet is a Polish village named Rzyszczewo which was previously called Ristow.
Rzyszczewo, Gmina Sławno, Sławno County, West Pomeranian Voivodeship (former German Ristow, Kreis Schlawe) -
Not this one!en.wikipedia.org/wiki/Rzyszczewo,_S%C5%82awno_County
pl.wikipedia.org/wiki/Rzyszczewo_(powiat_s%C5%82awie%C5%84ski
Rzyszczewo, Gmina Białogard, Białogard County, West Pomeranian Voivodeship (formerly German Ristow) -
Neither this one.
en.wikipedia.org/wiki/Rzyszczewo,_Bia%C5%82ogard_County
pl.wikipedia.org/wiki/Rzyszczewo_(powiat_bia%C5%82ogardzki)
Rzyszczew (Rzyszczów, ukr. Ржищів, Rżyszcziw, Rzhyschiv), a village in Kijów (Kyiv) region, on Dnieper river (76 km south from Kyiv), Ukraine, en.wikipedia.org/wiki/Rzhyschiv
pl.wikipedia.org/wiki/Rzyszcz%C3%B3w
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Not this one either.
Rzyszczew, old (Polish) gmina Brany, (Rzhyshchiv), £uck district (76 km SW from £uck). It consisted of: farm Rudka, village Rzyszczów, farm Rzyszczów, gamekeeper's cottage Stara Rudka.
But this one!Rzyszczewski - Pobóg coat of arms, vel Ryszczewski, old Wolhynian family, derived from Rusyn boyars, mentioned already in 1528 r. in Wolhynian Metrics. It took its name from estate Rzyszczew in £uck (Luts'k, ukr. Луцьк) district. One Rzyszczewski branch received an Austrian hereditary count title. Two castellans came from this family: 1774 -- 1792.
The Rzyszczewskis owned estates in £uck and Krzemieniec districts of Wolhynia: Rzyszczew, Koźlaki, Pańkowce, Wyżgrodek, Rydoml, Żukowce, Uwin, Iwanie, Buszaki, Rokitno, Oleksiniec Nowy an Stary; Powołoczysk in Galicia; former royal estates Rawicz w Sandomierz Voivodship; village Giełczyn in Mazowsze Voivodship; Żelazne, Rososze and Rososzki Czersk land; Wielkie i Małe Krzycko in Wschowa district w in Wielkopolska.
polishgenealogy.blogspot.ca/2008/08/rzyszczewski.html
Woronowski:There are 85 Woronowski men and 69 Woronowska women registered in Poland. The name derives from "worona" - Polish: wrona, Belarusian: варона, Ukrainian: ворона, English: crow. Yes, it sounds more Ukrainian or Belarusian than Polish Wroński (4625 men) and Wrońska (4950 women), or Wronowski (784 men) and Wronowska (785).
The name distribution, with large concentration of Wronowskis in Przemyśl, Lesko, Sanok, and Ustrzyki Dolne suggest Ruthenian roots of the Wronowskis (=Woronowskis).
moikrewni.pl/mapa/kompletny/wronowski.html