Nielsen Hayden genealogy
Boleslaus I of Bohemia
Abt 909 - 967 (~ 58 years)-
Name Boleslaus I of Bohemia [1] Birth Abt 909 [2] Gender Male Alternate birth Abt 915 [3] Death 15 Jul 967 [2, 3] Alternate death 15 Jul 972 [3] 
Siblings1 sibling Person ID I7373 Ancestry of PNH, TNH, and others Last Modified 6 Jan 2018
Father Vratislaus I of Bohemia, b. Abt 888 d. 13 Feb 921 (Age ~ 33 years) Mother Drahomira of Stodor, b. Between 877 and 890 d. Aft 934 (Age ~ 58 years) Family ID F492 Group Sheet | Family Chart
Family Biagota von Stockow Children 1. Boleslaus II of Bohemia, b. Abt 932 d. 7 Feb 999 (Age ~ 67 years) 2. Dobrawa of Bohemia d. 977 Family ID F2291 Group Sheet | Family Chart Last Modified 22 Jul 2015
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Notes - Duke of Bohemia. Called "The Cruel" and "The Gruesome."
From Wikipedia:
Boleslav is notorious for the murder of his brother Wenceslaus, through which he became Duke of Bohemia. Wenceslaus was murdered during a feast; at precisely that time Boleslav's son was allegedly born. He received a strange name: Strachkvas, which means "a dreadful feast". Being remorseful for what he had done, Boleslav promised to devote his son to religion and educate him as a clergyman.
Despite the fratricide, Boleslav is generally respected by Czech historians as an energetic ruler who significantly strengthened the Bohemian state and expanded its territory. The pro-Christian religious policies pursued by Wenceslaus do not appear to have been a cause for Boleslav's fratricide, since Boleslav in no way impeded the growth of Christianity in Bohemia, and in fact actually sent his daughter Mlada, a nun, to the Pope in Rome to ask permission to make Prague a bishopric.
- Duke of Bohemia. Called "The Cruel" and "The Gruesome."
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Sources - [S789] The Wallop Family and Their Ancestry by Vernon James Watney. Oxford, 1928.
- [S49] Genealogics by Leo Van de Pas, continued by Ian Fettes and Leslie Mahler.
- [S160] Wikipedia.
- [S789] The Wallop Family and Their Ancestry by Vernon James Watney. Oxford, 1928.