The early chapters of Game of Thrones are filled with major moments that would define the series as a whole: the death of Jon Arryn,the discovery of the Lannister siblings by Bran Stark, the marriage of Daenerys Targaryen to Khal Drogo. But one of the most significant beginnings in the legend happens when the character it concerns has no agency in it. When Robert Baratheon arrives in Winterfell to offer the Hand of the King duties to Ned Stark, and the two men effect an agreement betrothing Sansa Stark to Joffrey,the crown prince.
Source: blastr.com