echo 'digraph {

"Nena Trinity" -> "Johann Trinity" [taillabel = "Brother of"]
"Michael Trinity" -> "Johann Trinity" [taillabel = "Brother of"]
"Michael Trinity" -> "Nena Trinity" [taillabel = "Sister of"]
"Johann Trinity" -> "Nena Trinity" [taillabel = "Sister of"]
"Setsuna F Seiei" -> "Nena Trinity" [taillabel = "Love interest on"]
"Nena Trinity" -> "Michael Trinity" [taillabel = "Brother of"]
"Johann Trinity" -> "Michael Trinity" [taillabel = "Brother of"]
}' | dot -Tsvg > output.svg