whom was he married to?
His wife's name is unknown.
Ecgberht, King of Wessex
Ecgberht's wife's name is unknown. A fifteenth century chronicle now held by Oxford University names Ecgberht's wife as Redburga who was supposedly a relative of Charlemagne who he married when he was banished to Francia, but this is dismissed by academic historians in view of its late date. 
when was ecgberht, king of wessex born? 771/775 did he lead his kingdom in any battle? Yes, Battle of Ellandun. did he succeed in that? Yes whom did he defeat? Beornwulf of Mercia who was the king's successor? His son, Æthelwulf.
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Ecgberht, King of Wessex [SEP] Family
Ecgberht's wife's name is unknown. A fifteenth century chronicle now held by Oxford University names Ecgberht's wife as Redburga who was supposedly a relative of Charlemagne who he married when he was banished to Francia, but this is dismissed by academic historians in view of its late date. He is reputed to have had a half-sister Alburga, later to be recognised as a saint for her founding of Wilton Abbey. She was married to Wulfstan, ealdorman of Wiltshire, and on his death in 802 she became a nun, Abbess of Wilton Abbey.