Related how?

Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Halvaria
Heterokonta
Oomycetes (Oomycota (descriptive name))

Leptomitales (6528185)

Children (3 direct children, 56 direct and indirect children):

Leptomitaceae (tree size 35)

Cornumyces (tree size 8)

Leptolegniellaceae (tree size 10)