Llyr lletieith1 (m) 55 BCE		The genealogy below shows some of the significant figures in Anir's background, but also shows his two possible siblings, both of whom, like Anir, seem to have died in battle. Traditionally Arthur 'went to the other side' heirless.
Bran2 (m)
karadavc3 (m) 40 CE
kynan4 (m) 383 CE		The sources for this genealogy are here. For fuller details see the notes for each person. (m)=male; (f)=female. Dates are not birth/death, just dates of possible events within lifetimes.
kadvr5 (m)
Eudaf6 (m) 383 CE
Moruavr7 (m)
Tutwal8 (m) 397 CE		Gwawl14 (f)
kynuavr9 (m) 500s CE		Kunedda Wledig15 (m) 401 CE
kustenhin10 (m) 545,589 CE	Amlawd Wledig12 (m)	Gwen16 (f)
Vthyr11 (m) 449 CE	Eigr13 (f) (-m- Gwrleis)		(G)ocuran Gawr17 (m)
Arthur (m)			Gwenhwyfar18 (f) or others19 537 CE
Llacheu20 (m) Duran21 (m) Anir (m)