So, while Neville fits the technical definition of a pureblood, he is never portrayed as elitist about it — a reminder that blood status does not define character.
Yes, . He is the only child of Frank and Alice Longbottom, both of whom were highly respected pure-blood Aurors and members of the original Order of the Phoenix. The Longbottom Lineage and the "Sacred Twenty-Eight" is neville longbottom a pureblood