Although it is good to look at early sources for these lineages, you have to be careful that they are validated by primary sources, and also take into account modern research.
So apart from the issue of Richard Warren's parents not being known. there are also problems with some of the early genealogy you mention.
Although there has been many researchers looking for a link between ancient Rome and early medieval Europe, and there have been theories and suppositions, there is no actual proof for such a link.
The link between the Salian Franks and the Carolingians as represented by Charlemagne again is not known for sure, and no sources written at that time mention it.
Also Gundreda or Gundrada, was thought to be the daughter of William I the Conqueror and/or his wife Matilda of Flanders, but modern research now thinks that it is neither and her parents are unknown.