Hi EdenCamp...I'm not really sure if they're related. I got them when they were about 2yrs old. The friends who raised them got them as ducklings along with chicks and the goslings. They were all raised together. I'm not sure what breeder the got them from...but I guess there's a chance.Are the two you have related?
If not really, it's usually fine for father/daughter, mother/son to mate.
That's what is called line breeding.
It's done to cement "good" traits but can also result in recessive bad things surfacing.
Too tightly related can result in loss of vigor and fertility.
Wouldn't recommend taking daughter/grandaughter back to her own daddy/grandpa tho -
need an outcross at that point really.,
Drakes are hard on girls, horny buggers that they are.
They are best with 3-7 girls each.