Hedwig of Silesia was born in 1174.
Hedwig Borzecka was born in 1863.
Hedwig Kohn was born in 1887.
Hedwig of Holstein was born in 1260.
Hedwig Sophia was born on June 26, 1681.
Hedwig Hoefmans was born on January 27, 1938, in Sas van Gent, Zeeland, Netherlands.
Hedwig of Silesia died on 1243-10-15.
Harry found Hedwig's name in A History of Magic. The book does not tell us who Hedwig (the witch) was, though Hedwig is generally a German name, so she might have been a German witch of some historical significance. JK Rowling probably choose Hedwig's name based on Saint Hedwig (Duchess of Silesia).
Beatrice of Silesia was born in 1290.
Hedwig Pringsheim was born in 1855.
Hedwig Raabe was born in 1844.
Hedwig Weitzel was born in 1900.
Hedwig of Sagan was born in 1350.
Hedwig Marquardt was born in 1884.
Hedwig Dohm was born in 1831.
Hedwig Kohn was born in 1887.
Hedwig Borzecka was born in 1863.
Hedwig Dransfeld was born in 1871.