Wéderic) (died before 923
) was the count of the Bidgau
) and held the rights of a count within the city of Trier
. He received also the advocacy
of the abbey of Saint Rumbold's
from Charles III of France
. From 915
he was the count palatine of Lotharingia
. He was the founder of the House of Ardennes
At the death of Louis the Child, the Lotharingians rejected the suzerainty of Conrad I and elected Charles of France as their king. At the time, the military authority in Lotharingia was assigned to Count Reginar I of Hainaut (d. 915), but at his death it fell to Wigeric, who became count palatine, exercising as such the military authority in Lotharingia.
Wigeric founded the monastery of Hastière, of which he also assumed the advocacy. He married Cunigunda, daughter of Ermentrude and granddaughter of Louis II of France. Their children were:
Some genealogies record two other children, Henry and Liutgard, who were in fact son and daughter of another Wigeric, son of Roric, a contemporary living in the shire of Bidgau-Trier.
- He is first attested in 899 as count Widiacus in a charter of King Zwentibold in Trier
- A Wigericus, with comital rights in Trier, appears in a diploma of Louis IV dated 19 September 902: MGH Diplomata
- He is usually identified with Widricus, count of the Bidgau, of a charter of Saint-Maximin dated 1 January 909
- He appears in a diploma of Charles III (between 911-915) as Windricus and his son Adalberon and he received the fiefs and the advocacy of the abbeys of Saint Rumbolds at Mechelen and Hastière. The margrave of Neustria, Robert, and Reginar, margrave in Lotharingia, gave their consent.
- He appears for the first time with the title count palatine in a diploma of Charles as well, this time as Widricus, dated 19 January 916 at Herstal