Attack On Titan Relation Between Ackerman - Reiss/Fritz - Yeager family line PART 1 in the Titan World. Attack On Titan or 進撃の巨人, Shingeki no Kyojin have three big family that have big influence on this titan world. 3 family are Ackerman with their superhuman strength, Reiss or Fritz with royal blood and The Yeager wiith Eren Yeager currently holds power of 3 titan including the Founding titan. Epic Unease by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 license. https://creativecommons.org/licenses/by/4.0/ Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100406 Artist: http://incompetech.com/ Over Time by Audionautix is licensed under a Creative Commons Attribution 4.0 license. https://creativecommons.org/licenses/by/4.0/ Artist: http://audionautix.com/