Petrus Jacobs was born in 1910.
Petrus Jacobs died in 1967.
Petrus Plancius was born in 1552.
Petrus Gränebo was born in 1881.
Petrus Gyllius was born in 1490.
Petrus Haedus was born in 1427.
Petrus Borel was born in 1809.
Petrus Wernink was born in 1895.
Petrus Houttuyn was born in 1648.
Petrus Kenicius was born in 1555.
Petrus Ramus was born in 1515.
Petrus Vulcanius was born in 1503.
Petrus Brovka was born in 1905.