*Sigebert I King of Austrasia
born abt 0535 Of Metz, Austrasia, France
died between 0575 - 0579 Metz, Austrasia, France

father:
*Chlothar I "the Old" King of Franks
born 0497 Rheims, Marne, Loire-Alantique, France
died 23 Nov 0561 Braines, Loire Atlantique, France

mother:
*Ingonde (Radegond) von Thuringia?
born between 0499 -0502 Thuringia, Germany

siblings:
(may be half-brothers & sisters)
*Bertha De Meroving born Abt 0541 Paris, Seine, France died 0580
(below are probably half-brothers & half-sisters)
Guntramm of the Franks King of Orléans born Of Orléans, Loiret, France
died 28 Mar 0592 France
Gonthier Prince of the Franks born abt 0519 died 0561
Charibert I of the Franks King of Paris born 0520 Of Paris, Seine, France
died 7 May 0567
Clododinde of the Franks born abt 0530 France

spouse:
*Brunhilde of the Visigoths
died 0613
married between 0566 & 0568 Metz, Austrasia, France

children:
*Chodoswintha de Austrasia
*Ingunda de Austrasia died 0585/86
*Childebert II King of the Franks died 0596

biographical and/or anecdotal:

notes or source:
ancestry.com
One source has Chlodomer of the Franks (another son of *Clovis of the Franks) as the father of *Sigebert.