echo 'digraph {

"Kevin" -> "Sheena" [taillabel = "Partner of"]
"Damos" -> "Sheena" [taillabel = "Descendant of"]
"Sheena" -> "Kevin" [taillabel = "Partner of"]
"Sheena" -> "Damos" [taillabel = "Ancestor of"]
}' | dot -Tsvg > output.svg