In the old days, political alliances were often forged with marriage. After Oda Nobunaga's sister, Oichi, married Azai Nagamasa they had three daughters who would go on to live turbulent lives.
and tied it at both ends, 
sending it to Nobunaga.
ató ambos extremos
y se los envió a Nobunaga.
e amarrou os dois lados e
mandou para Nobunaga.