In HOHTL, it seems the box about "key facts" of the mercere house is missing...
Who is mercere primus?
Who are the famous figures?
Their population?
You are right.
Prima: Insatella (box, p. 79)
Famous figures:
- Mercere (the founder)
- Belin (model redcap)
- Golias (vagrant redcap)
- Priamitus (Mercere's first apprentice, Mercurian)
- Hermes Triceres (Mercere's second appentice)
- Mutantus (invented mutantem magic, Tricere's great-grandson)
Population: 150 redcaps, 12 Gifted Mercere (p. 78)