echo 'digraph {

"Roan" -> "Yufa" [taillabel = "Wife of"]
"Keough" -> "Yufa" [taillabel = "Sister of"]
"Yufa" -> "Roan" [taillabel = "Husband of"]
"Yufa" -> "Keough" [taillabel = "Older Brother of"]
}' | dot -Tsvg > output.svg