Jónas Björnsson, b: 1782 - Búrfell, Iceland

^{1804 Napoleon becomes French Emperor}
^{1805 Battle of Trafalgar, Nelson killed}
^{1815 Battle of Waterloo, Napoleon defeat}
^{1830 French Revolution}
^{1837 Queen Victoria assumes throne}

^{1770 Cook discovers New South Wales}
^{1776 America declares independence}
^{1789 Geo. Washington 1st USA president}
^{1789 French Revolution begins}
^{1798 Irish revolt against English rule}

^{1700 Britain's american colonies prosper}
^{1707 Union Act unites England/Scotland}
^{1712 Religious warfare in Switzerland}
^{1740 War of Austrian Succession begins}
^{1762 Catherine II becomes Czarina/Russia}


			^{Ólafur Björnsson}^{b.1704 Myar, Iceland d.}

		^{Björn Ólafsson}^{b.1742 Búrfell, Iceland d.1785}	^{Sigríður Jónsdóttir}^{b.1705 Klömbrum, Iceland d.1762}

^{Jóhannes Jónasson}^{b.1806 Kirkjuh, Húnavatnssýsla d.1862}	^{Jónas Björnsson}^{b.1782 Búrfell, Iceland d.1866}		^{Halldór Björnsson}^{b.1722 d.1783}

^{Johanna Jónasdóttir}^{b.1808 Kirkjuh, Húnavatnssýsla d.}		^{Guðríður Halldórsdóttir}^{b.1744 d.1791}	^{Halldóra Pálsdóttir}^{b.1721 d.1785}

^{Jón Jónasson}^{b.1809 Utbliksstadir (Útibliksstö d.1884 Helguhvammi, Iceland}			^{Sigurður Jónsson}^b.1707 d.

^{Joseph Jónasson}^{b.1810 Kirkjuh, Húnavatnssýsla d.}		^{Magnús Sigurðsson}^{b.1733 Þórukot (farm n, Iceland d.}	^{Svanhildur Einarsdóttir}^b.1711 d.

^{Ingibjörg Jónasdóttir}^{b.1812 Skarð, Húnavatnssýsla d.}	^{Helga Magnúsdóttir}^{b.1770 Þórukot (farm n, Iceland d.1824}

^{Ingveldur Jónasdóttir}^{b.1813 Skarð, Húnavatnssýsla d.}		^{Olof Thorsteinsdóttir}^{b. d.}