echo 'digraph {

"Marco Rossi" -> "Amedeo" [taillabel = "Pet of"]
"Anna Rossi" -> "Marco Rossi" [taillabel = "Son of"]
"Pietro Rossi" -> "Marco Rossi" [taillabel = "Son of"]
"Antonio Rossi" -> "Marco Rossi" [taillabel = "Younger Brother of"]
"Amedeo" -> "Marco Rossi" [taillabel = "Owner of"]
}' | dot -Tsvg > output.svg