Hemma [SEP] father
Hemma
Emma of Altdorf, also known as Hemma ( – 31 January 876), a member of the Elder House of Welf, was Queen consort of East Francia by marriage to King Louis the German, from 843 until her death.
Life.
Her father was Welf I (d. 825), Count of Altorf in Alamannia; her mother was Hedwig (Heilwig; c. 775 – after 833), a daughter of the Saxon count Isambart. Emma's elder sister was Judith (sometimes called "of Bavaria
Hildegard (abbess)
Hildegard (828-December 23 856 or 859), was the daughter of Louis the German, Carolingian king of East Francia, and his wife Hemma. She was the abbess of Fraumünster, an abbey founded by her father.
Biography.
Hildegard was the eldest child of Louis the German and the countess Hemma, born a year after their marriage. 
In 844, she became the abbess of Münsterschwarzach in Bavaria, the "Eigenkloster" of the Carolingian court, founded in 780.
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