You can just say 'no relations' or 'blood unrelated'
The noun 'relation' is an abstract noun as a word for the connection or relevance of one person or thing to another; a word for a concept.The noun 'relation' is a concrete noun as a word for a someone connected by blood or marriage to another; a word for a person.
A blood relation is a person who is related to another through birth as opposed as through marriage.
Septicemia is another word for blood poisoning.
Mean is another word for average
The word 'relation' is a noun, a singular, common, abstract noun; a word for the way in which two or more people or things are connected; a thing's effect on or relevance to another; a person who is connected by blood or marriage (a relative); the action of telling a story. Example: As long as you recognize the relation between your unwise choice and the consequence.
agnate, aunt, blood, brother-in-law, clansperson, cognate, connection, cousin, father, father-in-law, folk, folks, grandparents, great-grandparents, in-laws, kinsperson, mother, mother-in-law, nephew, niece, relation, sib, sibling, sister-in-law, stepbrother, stepparent, stepsister, uncle, blood brother, kin, kinsperson, relation, relative, twin
Another word for half-blood is demigod.
cell of blood
Relative vector of velocity. "Bearing" is another possibility.
bleeding
Blood vessel
bloody