echo 'digraph {

"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"]
"Marco Rossi" -> "Amedeo" [taillabel = "Pet of"]
"Pietro Rossi" -> "Anna Rossi" [taillabel = "Wife of"]
"Antonio Rossi" -> "Anna Rossi" [taillabel = "Mother of"]
"Marco Rossi" -> "Anna Rossi" [taillabel = "Mother of"]
"Pietro Rossi" -> "Antonio Rossi" [taillabel = "Son of"]
"Anna Rossi" -> "Antonio Rossi" [taillabel = "Son of"]
"Marco Rossi" -> "Antonio Rossi" [taillabel = "Older Brother of"]
"Anna Rossi" -> "Pietro Rossi" [taillabel = "Husband of"]
"Antonio Rossi" -> "Pietro Rossi" [taillabel = "Father of"]
"Marco Rossi" -> "Pietro Rossi" [taillabel = "Father of"]
}' | dot -Tsvg > output.svg