echo 'digraph {

"Yuuri Katsuki" -> "Hiroko Katsuki" [taillabel = "Mother of"]
"Mari Katsuki" -> "Hiroko Katsuki" [taillabel = "Mother of"]
"Victor Nikiforov" -> "Yuuri Katsuki" [taillabel = "Boyfriend of"]
"Yuuri Katsuki" -> "Mari Katsuki" [taillabel = "Sister of"]
}' | dot -Tsvg > output.svg