Il est marié avec Willa van Salzburg.
Ils se sont mariés
Enfant(s):
SIEGHARD [V] (-26 Sep [980]). The primary source which confirms his parentage has not yet been identified. Graf im Chiemgau. The necrology of the Lower Monastery at Regensburg records the death "VI Kal Oct" of "Sigehart com"[428], although it is not known for certain to which of the several Grafen Sieghard this entry refers. [m firstly ---. Wegener comments that Willa, wife of Sieghard [IV], names her sons Engelbert [II], Pilgrim and Nordbert [II] in her charters. This suggests that she was not the mother of Sieghard [VI] and Friederich who must have been born from an earlier marriage[429].] m [secondly] WILLA, daughter of BERNHARD [Aribonen] & his wife Engilrat ---. 965/[970]. Wegener cites a donation by Willa, with the consent of her husband Graf Sieghard, to Salzburg which names her sons Engilpreht and Piligrim[430]. Wegener cites a source which confirms her parentage[431].
Graf Sieghard [V] & his [first] wife had two children:
SIEGHARD [VI] (-6 May [1010/20] or after).
FRIEDRICH [II] .
Graf Sieghard [V] & his [second] wife had three children:
NORDBERT [II] (-4 Jun [1010] or after).
PILGRIM .
ENGELBERT [III] (-1020).
Bronnen:
[428] Notæ Necrologicæ Monasterii Inferioris Ratisbonensis, Regensburg Necrologies, p. 289.
[429] Wegener (1965/67), p. 91.
[430] UB 1, no. 14, p. 178, cited in Wegener (1965/67), p. 90.
[431] Salzb. UB 1, 102 f n 41, cited in Wegener (1965/67), p. 91.
https://fmg.ac/Projects/MedLands/CARINTHIA.htm#SieghardIVChiemgaudied980