Related how?

Biota (Life)
Prokaryotes (Prokaryota)
Bacteria (Bacterium)
Negibacteria (Rjheekñndd)
Proteobacteria (Purple bacteria & relatives)
Gammaproteobacteria

Legionellales (1269779)

Children (2 direct children, 98 direct and indirect children):

Coxiellaceae (tree size 14)

Legionellaceae (tree size 82)