↑ 1.01.11.21.3 Vivian, J.L. The Visitations of Cornwall, Comprising the Heralds' Visitations of 1530, 1573, & 1620. (William Pollard & Co., Exeter, 1887) "Killigrew of Arwenack," p. 268.
Killigrew-20 and Killigrew-4 are not ready to be merged because: their birth dates and children's birth dates do not indicate one individual, one's birth of 1515 the other's of 1450, are two generations apart, need more study.