echo 'digraph {

"Yuuma Sawatari" -> "Ryou Sawatari" [taillabel = "Father of"]
"Haruka Sawatari" -> "Ryou Sawatari" [taillabel = "Husband of"]
"Ryou Sawatari" -> "Haruka Sawatari" [taillabel = "Wife of"]
"Yuuma Sawatari" -> "Haruka Sawatari" [taillabel = "Mother of"]
}' | dot -Tsvg > output.svg