The number three is important to the Oankali: Just as their ship splits into three parts, they also mate in groups of three, with one male, one female, and one Oankali. This once again could be interpreted as religious symbolism (evoking the Holy Trinity of the Father, Son, and Holy Spirit). But while religions that believe in a Holy Trinity often emphasize the benevolence of God, this passage instead uses religious imagery to emphasize how the Oankali are mysterious overseers of life who have intentions that may be beyond human understanding.