Robert De Holand was born in 1232 and died in 1283 at the age of 51. He married Elizabeth Salmesbury in 1269. She was born in 1256 and died in 1284 at the age of 28.

Robert Baron De Holand, son of Robert De Holand and Elizabeth Salmesbury, was born about 1270 and died on October 7, 1328. He married Maud La Zouche La Zouche, daughter of Alan La Zouche and Eleanor Segrave, about 1311. She was born in 1290 and died on May 31, 1349 at the age of 59.

Thomas 1St Earl Of Kent De Holand, son of Robert Baron De Holand and Maud La Zouche La Zouche, was born in 1314 and died in December 1360 in Normandy at the age of 46. He married 2 times. The first time he married Joan Countess Of Kent …, daughter of Edmund Of Woodstock Earl Of Kent … and Margaret Baroness Wake Wake, about 1339. She was born on September 29, 1328 and died on August 8, 1385 in Wallingford, England at the age of 56. The second time he married Joan Of England in 1338. She was born in 1326 and died in 1357 at the age of 31.