echo 'digraph {

"Rinka Ooki" -> "Haruka Ooki" [taillabel = "Mother of"]
"Haruka Ooki" -> "Rinka Ooki" [taillabel = "Daughter of"]
"Ryuuji Ooki" -> "Rinka Ooki" [taillabel = "Niece of"]
}' | dot -Tsvg > output.svg