It originated from the old German Hedwig (compounded from hadu, "battle", and wig, "fight").
Alicja Jadwiga Kotowska (Born November 20, 1899 in Warsaw – died November 11, 1939 near Piaśnica Wielka) was a Polish nun, head of the Resurrectionist convent in Wejherowo between 1934 and 1939, and a blessed of the Roman Catholic Church and a martyr killed by the German Nazis in 1939 in the Mass murders in Piaśnica.
Jadwiga Łuszczewska (pseudonym: Deotyma (Diotima); 1 July 1834 – 23 September 1908) was a Polish poet and novelist.
Jadwiga Łuszkowska (born about 1616 in Lviv, died after 20 May 1648 in Merecz) was a Polish noble lady and mistress of polish king Władysław IV Vasa.
Jadwiga Tyszka (Yagoda Tyszka-Krayewski) (born November 25, 1954) was an actress in theater, TV and film in Poland and a community activist in Newark, New Jersey.
Jadwiga Zlotorzycka (1926-2002) was a Polish entomologist.
The school has created links with other schools internationally: Elde College in Schijndel, The Netherlands; St Jadwiga the Queen Gymnasium in Luborzyca, Poland; Lilongwe Community School, Malawi; and Jubilee International School, Amman, Jordan.
Zegrze is the location of a historic palace built in 1847 by the noble Krasiński family, given as a dowry of Jadwiga Krasińska in 1862, to her new husband Prince Maciej Radziwiłł.