I will use mod armor, weapons or spells so don't be suprised if you see something that isn't in vanilla Skyrim 

Aela:

Nightingale Armor

Nightingale Blade

Nightingale Bow

Ring of Hircine (She will not be a werewolf in this story)

Erandur:

Archmage's Robes

Mehrunes' Razor

Amulet of Mara

The bond of Matrimony

Faendal:

Elven Light Armor and shield

Auriel's Bow

Dawnbreaker

Farkas

He will wear the armor you see on the picture he will also be a werewolf. The armor is from a mod

Wuuthrad

Amulet of Spellbreaker (mod)