Changes

|death_place=possibly Caernarvonshire, Wales

|death_place=possibly Caernarvonshire, Wales

|religion=

|religion=

|spouse=Llywelyn the Great

|spouse=[[Llywelyn the Great]]

|children=[[Gruffudd ap Llywelyn ap Iorwerth]]

|children=[[Gruffudd ap Llywelyn ap Iorwerth]]

|alma_mater=

|alma_mater=

'''Tangwystl''' (c. 1181 - 1202-1209) was the mother of [[Gruffudd ap Llywelyn ap Iorwerth]] (c. 1196/1198 - March 1244)

'''Tangwystl''' (c. 1181 - 1202-1209) was the mother of [[Gruffudd ap Llywelyn ap Iorwerth]].