I've checked the files and these are the factions and leaders (3 variants of the same 7) in the original MGE Midgard scenario:
Lleu II, Peregrine II, 0, 1, 0, Buteons, Buteo, 0, 0, -1,
Galadrien II, Estella II, 0, 2, 2, Elves, Elvish, -1, -1, 0,
Aegir II, Reanne II, 0, 3, 1, Merfolk, Merfolk, 1, 1, 0,
Pluto II, Tendril II, 0, 4, 3, Stygians, Stygian, 1, 1, 0,
Org II, Yma II- mate of Org, 1, 5, 3, Goblins, Goblin, 1, 0, -1,
Godwyn II, Godwyna II, 0, 6, 0, Humans, Human, 0, 1, 0,
Octobai II, Bortei II, 0, 7, 3, Infidels, Infidel, 1, 1, -1,
Lleu III, Peregrine III, 0, 1, 0, Buteons, Buteo, 0, 0, -1,
Galadrien, Estella, 0, 2, 2, Elves, Elvish, -1, -1, 0,
Aegir III, Reanne III, 0, 3, 1, Merfolk, Merfolk, 1, 1, 0,
Pluto, Tendril, 0, 4, 3, Stygians, Stygian, 1, 1, 0,
Org, Yma - mate of Org, 0, 5, 3, Goblins, Goblin, 1, 0, -1,
Godwyn, Godwyna, 0, 6, 0, Humans, Human, 0, 1, 0,
Octobai, Bortei, 0, 7, 3, Infidels, Infidel, 1, 1, -1,
Lleu, Peregrine, 0, 1, 0, Buteons, Buteo, 0, 0, -1,
Galadrien III,Estella III, 0, 2, 2, Elves, Elvish, -1, -1, 0,
Aegir, Reanne, 0, 3, 1, Merfolk, Merfolk, 1, 1, 0,
Pluto III, Tendril III, 0, 4, 3, Stygians, Stygian, 1, 1, 0,
Org III, Jewel III, 0, 5, 3, Goblins, Goblin, 1, 0, -1,
Godwyn III, Godwyna III, 0, 6, 0, Humans, Human, 0, 1, 0,
Octobai III, Bortei III, 0, 7, 3, Infidels, Infidel, 1, 1, -1,
And these are the ones from the big expanded Test of Time Midgard scenario:
Octobai, Bortei, 0, 1, 2, Infidels, Infidel, 1, 1, -1,
Godwyn, Godwyna, 0, 2, 3, Humans, Human, 0, 1, 0,
Yar, Yma, 0, 3, 2, Goblins, Goblin, 1, 0, -1,
Ypsirhc, Tendril, 0, 4, 2, Stygians, Stygian, 1, 1, 0,
Aegir, Reanne, 0, 5, 1, Merfolk, Merfolk, 1, 1, 0,
Galadrien, Estella, 0, 6, 0, Elves, Elvish, 0, 0, 0,
Lleu, Peregrine, 0, 7, 1, Buteos, Buteo, -1, -1, 1,
Octobai II, Bortei II, 0, 1, 2, Infidels, Infidel, 1, 1, -1,
Godwyn II, Godwyna II, 0, 2, 3, Humans, Human, 0, 1, 0,
Yar II, Yma II, 1, 3, 2, Goblins, Goblin, 1, 0, -1,
Ypsirhc II, Tendril II, 0, 4, 2, Stygians, Stygian, 1, 1, 0,
Aegir II, Reanne II, 0, 5, 1, Merfolk, Merfolk, 1, 1, 0,
Galadrien II, Estella II, 0, 6, 0, Elves, Elvish, 0, 0, 0,
Lleu II, Peregrine II, 0, 7, 1, Buteos, Buteo, -1, -1, 1,
Octobai III, Bortei III, 0, 1, 2, Infidels, Infidel, 1, 1, -1,
Godwyn III, Godwyna III, 0, 2, 3, Humans, Human, 0, 1, 0,
Yar III, Jewel III, 0, 3, 2, Goblins, Goblin, 1, 0, -1,
Ypsirhc III, Tendril III, 0, 4, 2, Stygians, Stygian, 1, 1, 0,
Aegir III, Reanne III, 0, 5, 1, Merfolk, Merfolk, 1, 1, 0,
Galadrien III,Estella III, 0, 6, 0, Elves, Elvish, 0, 0, 0,
Lleu III, Peregrine III, 0, 7, 1, Buteos, Buteo, -1, -1, 1,
