Hebrew to English Art/Literary History memorial book describing history of Radzivilov

This is a description of a man mentioned in a memorial book who was helpful in remembering many of the names of people from the town who perished in the Holocaust.

The wider context describing him is --

שבזכות כח זכרונו המופלא הועלו מנשית עולמית שמות רבים והוצב לחם יד בספר

I get the general idea and I understand all the words except for מנשית

I cannot fit these two words into the sentence.

Any ideas?

Thanks in advance!