Question: - dynasty is villehardouin - issue is geoffrey ii alix william ii - death place is '' unknown '' - title is prince of achaea - caption is coat of arms of the principality of achaea - reign is 1209/1210 -- '' c. '' 1229 - successor is geoffrey ii - spouse is elisabeth -lrb- of chappes ? -rrb- - predecessor is william i - mother is celine of briel - death date is '' c. '' 1229 - father is john of villeharouin - birth date is '' c. '' 1169 - image is armoiries achaie.svg - birth place is '' unknown '' Given the details above, guess who could this information be about.
Answer:
geoffrey i of villehardouin