Katherine Merrill

How can Katherine Gerard have been born some forty years after the death of her mother (Dulcia Ashton - Gerard) circa 1460?? The citation below is very clear that John Merrill married Katherine John, not Katherine Gerard!!

http://www.jmerrill.net/

3. JOHN3 *MERYELL (JOHN2, THOMAS1) was born 1495 in Wherstead, Suffolk, England, and died January 28, 1551/52 in Wherstead, Suffolk, England. He married KATHERINE JOHN 1521 in Wherstead, Suffolk, England. She was born Abt. 1507 in Wherstead, Suffolk, England, and died December 13, 1551 in Wherstead, Suffolk, England. Children of JOHN *MERYELL and KATHERINE JOHN are: i. JOHN4 MERRELL, THE ELDER, b. 1522, Wherstead, Suffolk, England; d. 1544, Wherstead, Suffolk, England. ii. WILLIAM MERRELL, b. Abt. 1524, Wherstead, Suffolk, England; d. Unknown, Wherstead, Suffolk, England. iii. JOHAN MERRELL, b. 1526; d. Unknown. iv. MICHEAL MERRELL, b. 1528, Wherstead, Suffolk, England; d. Unknown, Wherstead, Suffolk, England. v. MARY MERRELL, b. 1530, Wherstead, Suffolk, England; d. Unknown, Wherstead, Suffolk, England. vi. MARGARET MERRELL, b. 1532, Wherstead, Suffolk, England; d. Unknown, Wherstead, Suffolk, England. vii. ALICE MERRELL, b. 1534, Wherstead, Suffolk, England; d. Unknown, Wherstead, Suffolk, England. viii. KATHERINE MERRELL, b. 1536, Wherstead, Suffolk, England; d. Unknown, Wherstead, Suffolk, England. ix. AGNES MERRELL, b. 1539, Wherstead, Suffolk, England; d. Unknown, Wherstead, Suffolk, England. x. THOMAS MERRELL, b. 1542, Wherstead, Suffolk, England; d. Unknown, Wherstead, Suffolk, England. 4. xi. JOHN *MERRELL, THE YOUNGER, b. 1545, Wherstead, Suffolk, England; d. February 01, 1599/00, Wherstead, Suffolk, England.

Katherine Gerard MP Birth: 	1502 Wherstead, Suffolk, England, (Present UK) Death: 	December 13, 1551 (49) Wherstead, Suffolk, England, (Present UK) Immediate Family: 	

Daughter of Sir Thomas Gerard, of Kingsley and Bryn and Dulcia Gerard Wife of John Merrill Mother of Anne Agnes Merrill; William Merrill, of Wherstead & Shotley; Michael Merrill; Mary Margaret Merrill; Alice Merrill; Katherine Merrill; Agnes Merrill; Thomas Merrill and John Merrill « less Sister of Sir Lawrence Garrard, Knight; John Gerard; Anna Lavinia Gerard; William Gerrard; Lavina Linsay Gerard; Robert Asheton Gerard; Eleanor de Warren; Sir Thomas Gerard; Elizabeth Gerard; Henrietta Lindsay Gerard; Humphrey Gerard; Four Gerrard; James Gerard and Edward Gerard « less Half sister of Isabel Gerard; Peter Ryon Gerard and Unknown Gerard

Katherine John Birth: 	1402 Wherstead, Suffolk, UK Death: 	December 13, 1451 (49) Wherstead, Suffolk, UK Immediate Family: 	

Wife of John Merrill Mother of Thomas Merrill