In bifrost hound's clan lore tree contains goat's clan lore (halvard related).
2
votes
https://docs.google.com/document/d/1McS1CuhJTnoFWzTZVcWzWR_z6ugupx9SGtdNVGiHu00/edit?tab=t.0
Happens in different game as well. Both Legendary heros and Feeling Safe is visible, mentions Halvard and cannot be used by the clan of Hound.