John de Blennerhassett, b: 1405 - Carlisle&Great Orton, Cumbria.

^{1503 Leonard da Vinci paints Mona Lisa}
^{1512 Michelangelo paints Sistine Chapel}
^{1534 Henry VIII controls English church}
^{1538 Cortes conquers Mexico}
^{1547 Ivan the Terrible rules Russia}

^{1453 End of Hundred Years War}
^{1479 Formation of kingdom of Spain}
^{1488 Diaz rounds Cape of Good Hope}
^{1492 Columbus discovers West Indies}
^{1498 Vasco da Gama sails to India}

^{1406 Florence conquers Pisa}
^{1415 Battle of Agincourt}
^{1427 Portuguese reach the Azores}
^{1434 Medici rules in Florence}
^{1440 Gutenberg, printing w/type}


			^{John de Blennerhassett}^{b.1350 Carlisle, Cumbria. d.1400 Carlisle, Cumbria.}

		^{Richard de Blennerhassett}^{b.1375 Carlisle, Cumbria. d.1450}	^{Johanna Staffol}^{b. d.}

^{John Blennerhassett}^{b. Carlisle&Great , Cumbria. d.}	^{John de Blennerhassett}^{b.1405 Carlisle&Great , Cumbria. d.1471}		^{Sir-Clement Skelton}^{b.1341 Great Orton, Cumberland d. Cumberland}

^{Clement Blennerhassett}^{b. Athuret d.}		^{Joan Skelton}^{b.1375 Great Orton, Cumberland d.1449 Cumberland}	^{Joan De Orton}^{b.1345 Great Orton, Cumberland d. Cumberland}

^{Edward Blennerhassett}^{b. d.1532}

^{William Blennerhassett}^{b. d.}