In an attempt to make the conversation easier to follow here I've colour-coded the speakers - Fëanor is blue, Nerdanel red, Mahtan black.
Maedhros, though technically present in the cartoon as well (kind of), doesn't have a speaking part.
Hyarmentir ('Southern Peak') is the second-tallest mountain in the world, in the far south of Valinor.
Part 136: The family way
Next time: Part 137: Seven brothers
Chibis by tektek.org