During the years of 1921 and 1928 Deml was a devoted member of Sokol.
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In 1889 at the age of 11 years old Jakub was sent to a German family in Wulzeshofen by Laa in Austria where he learnt German language.
Jakub Karol Parnas | Jakub Arbes | Jakub Zadzik | Jakub Petelewicz | Jan Jakub Kotík | Jakub Vrzáň | Jakub Šulc | Jakub Sobieski | Jakub Kubicki | Jakub Kryštof Rad | Jakub Deml | Jakub Błaszczykowski |
Březina is also noted for the friendships which he formed with other Czech cultural figures, including the Symbolist sculptor František Bílek, the literary critic, sociologist and political scientist Emanuel Chalupný, the poet, prose writer, and priest Jakub Deml, and the philosopher and writer Ladislav Klíma.