echo 'digraph {

"Katarina" -> "Cassiopeia" [taillabel = "Sister of"]
"Talon" -> "Cassiopeia" [taillabel = "Sister of"]
"Cassiopeia" -> "Katarina" [taillabel = "Sister of"]
"Talon" -> "Katarina" [taillabel = "Sister of"]
"Cassiopeia" -> "Talon" [taillabel = "Brother of"]
"Katarina" -> "Talon" [taillabel = "Brother of"]
}' | dot -Tsvg > output.svg