Question: Did Kazimierz Porębski and Imanol Alguacil have the same nationality?
Sentence (from "Kazimierz Porębski"): Kazimierz Porębski (November 15, 1872 - January 21, 1933) was a Polish career naval officer who rose to the position of admiral within the Imperial Russian Navy, and was subsequently the first commander-in-chief of the inter-war Polish Navy.
Relevant evidence: Yes