echo 'digraph {

"Maria" -> "Helena Douglas" [taillabel = "Daughter of"]
"Kokoro" -> "Helena Douglas" [taillabel = "Half-sister of"]
"Miyako" -> "Kokoro" [taillabel = "Daughter of"]
"Helena Douglas" -> "Maria" [taillabel = "Mother of"]
}' | dot -Tsvg > output.svg