Related how?

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

Rickettsidae (20742840)

Children (1 direct children, 2 direct and indirect children):

Pelagibacterales (tree size 1)