echo 'digraph {

"Carol Campbell" -> "Cavi Campbell" [taillabel = "Father of"]
"Kim Campbell" -> "Cavi Campbell" [taillabel = "Father of"]
"Cavi Campbell" -> "Carol Campbell" [taillabel = "Son of"]
"Kim Campbell" -> "Carol Campbell" [taillabel = "Twin Brother of"]
"Carol Campbell" -> "Kim Campbell" [taillabel = "Twin Sister of"]
"Cavi Campbell" -> "Kim Campbell" [taillabel = "Daughter of"]
}' | dot -Tsvg > output.svg