Firishta's History (Gulshan-i Ibrāhīmī) 6.4.5

6.4.5

Mahmood, in the year 406, revisited Kashmeer with his army, in order to punish some revolted chiefs, and to besiege some forts, which he had not reduced in his former expedition. The first of those forts was Lokote, remarkable on account of its height and strength, and which entirely defeated the King's utmost efforts; for not being able to reduce it during the summer season, he was obliged, on the approach of winter, to abandon his enterprize and return to Ghizny. On his route he was misled by his guides, and falling into extensive morasses, from which he for several days could not extricate his army, many of his troops perished, and he failed in all the enterprises of this campaign. Abool Abass Mamoon, King of Khwaruzm, in the course of the same year, wrote to Mahmood, asking his sister in marriage, to which the King having agreed, she was sent to Khwaruzm.