echo 'digraph {

"Oichi" -> "Nagamasa Azai" [taillabel = "Husband of"]
"Maria Kyougoku" -> "Nagamasa Azai" [taillabel = "Younger brother of"]
"Nagamasa Azai" -> "Oichi" [taillabel = "Wife of"]
"Nagamasa Azai" -> "Maria Kyougoku" [taillabel = "Younger Sister of"]
}' | dot -Tsvg > output.svg