Silesia

His grandparents hail from Silesia.

He deplored the fact that Silesia was no longer Prussian.

Opole is situated in the north-western part of Upper Silesia.

"Say I can't dress a window, you thundering old Humbug," he said, and hurled the huckaback at his master. He followed this up by pitching first a blanket, then an armful of silesia, then a window support out of the window into the shop.