Apr 13 Frans Adam van der Duyn van Maasdam, Dutch governor (South Holland), born in Deventer, Netherlands (d. 1848) Apr 13 Richard Trevithick, English inventor (steam locomotive), born in Tregajorran, England (d. 1833) Apr 18 Karl Philipp, Prince of Schwarzenberg, Austrian field marshal, born in Vienna, Austria (d. 1820) Apr 29 Matthäus Stegmayer, Austrian composer, born in Vienna (d. 1820) 1770 Famous Birthdays by Year 1772