Agnes of Bavaria, Margravine of Brandenburg-Stendal

Agnes of Bavaria (1276–1345) was daughter of Duke Louis II of Upper Bavaria and his third wife, Matilda of Habsburg.

In 1290, in Donauwörth, she married Henry "the Younger" of Hesse (1265 – 23 August 1298), a son of Landgrave Henry I of Hesse (1244–1308). They had at least one child: Agnes, married to Gerlach I, Count of Nassau (–1361).

In 1303, she remarried to Margrave Henry I of Brandenburg-Stendal (1256–1318). From her second marriage, she had three children: Henry II "the Child" (1308–1320). Sophia (1300–1356), heiress of Landsberg and the County Palatine of Saxony, married in 1327 to Duke Magnus of Brunswick-Wolfenbüttel (1304–1369). Judith/Jutta (b.1302–b.1330), married in 1318 to Duke Henry II, Duke of Brunswick-Lüneburg of Brunswick-Grubenhagen (b.1296–a.1351).