Siblings of Agathon xx

Half-siblings Dam line

Horse Alter Rail xx (English Thoroughbred, 2013, from Rail Link xx) - unknown

Alter Rail xx
gender-male
2013

Rail Link xx / Goofalik xx

Horse Active Adventure xx (English Thoroughbred, 2016, from Poseidon Adventure xx) - unknown

Active Adventure xx
gender-female
2016

Poseidon Adventure xx / Goofalik xx

Horse Alter Toylsome xx (English Thoroughbred, 2014, from Toylsome xx) - unknown

Alter Toylsome xx
gender-male
2014

Toylsome xx / Goofalik xx

Horse Alte Adventure xx (English Thoroughbred, 2015, from Poseidon Adventure xx) - unknown

Alte Adventure xx
gender-female
2015

Poseidon Adventure xx / Goofalik xx