» Fri May 17, 2013 2:19 am
Ok well here are my sources
http://www.uesp.net/wiki/Lore:Sovngarde,_a_Reexamination
"Rolf could not believe his good fortune, and his foolishness for not having realized the truth so many years before. For death was the entrance to Sovngarde. So he was told by Shor himself, who greeted Rolf the Large as a brother, and personally handed him a leg of roast mutton and the hand of a comely wench. Sovngarde, Shor told him, can be entered by any Nord who dies valiantly in honorable combat.
It is time for Nords to learn the truth. Eternal life can be theirs, without the need to spend an entire mortal life in vain pursuit of something completely unattainable. In the end, all valiant Nords can enter Sovngarde. Dismemberment, decapitation or evisceration seems a small price to pay for the chance to spend an eternity in Shor's wondrous hall."
According to this, the only lore explanation on how to get into sovngarde, that a nord needs to die in a valiant way, so either Beth screwed up and forgot this or Jurgen, Olaf and Ysgramor died in battle and using the excuse "Oh well there's no mention of it" yea look at what else isn't mentioned throughout the series that were part of major events
1. the Founders of the great houses, beyond the name of the original founding family the only house founders we know of are Nerevar and Dagoth Ur, doesn't mean the houses didn't have a major founder.
2. most of the reman dynasty, Alessian dynasty, septim dynasty and Medes, just because we didn't know who was emperor during those rules doesn't mean there weren't emperors.
3. House rulers between the founding of Resdayn and modern day morrowind save for the game Morrowind.
4. Most of the Camoran dynasty
5. The congressmen of the original Thalmor congress in the second aldmeri dominion
Just because it isn't mentioned in a in-game source doesn't mean anything, they still could've died from battle seeing as the are in sovngarde.