The chain mail and segmented plate armour Stannis Baratheon wore in Game of Thrones is from Moro Muslim armor in Sulu archipelago and Mindanao. The Bangsamoro Tausug-Suluk, Maranao, Maguindanaon, Bajau-Sama Muslims.
https://www.reddit.com/r/gameofthrones/comments/btiz9g/no_spoilers_armors_of_westeros_2_jaime_lannisters/
https://www.reddit.com/r/gameofthrones/comments/bt7usq/no_spoilers_medeival_ottoman_armor_beside_game_of/
https://www.reddit.com/r/gameofthrones/comments/btyykc/no_spoilers_armors_of_westeros_3_stannis_armor/
https://www.reddit.com/r/freefolk/comments/bcyfsk/i_think_stannis_has_one_of_the_coolest_suits_of/
https://www.reddit.com/r/gameofthrones/comments/3mfvm6/no_spoilers_stannis_baratheons_armour_in_game_of/
https://www.face.book.com/kamalayankonsciousness/photos/is-stannis-baratheon-of-game-of-thrones-wearing-moro-armour-this-one-historical-/1213575731989673/
Moros used carabao horn for the plates.