echo 'digraph {

"Allele" -> "Farah" [taillabel = "Mother of"]
"Leon" -> "Farah" [taillabel = "Wife of"]
"Allele" -> "Leon" [taillabel = "Father of"]
"Farah" -> "Leon" [taillabel = "Husband of"]
}' | dot -Tsvg > output.svg