\documentclass[a4paper]{article}
\pagestyle{empty}
\usepackage{vmargin}
\setpapersize{custom}{841mm}{1189mm}
\setmarginsrb{5mm}{5mm}{5mm}{5mm}{0mm}{0mm}{0mm}{0mm}
\usepackage[french]{babel}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{tikz}
\parindent0mm
\def\beginPicture#1#2#3{%
\begin{tikzpicture}[%
edge from parent path={%
[draw=brown,very thick](\tikzparentnode)
to [out=#2,in=#3] (\tikzchildnode)
},
level 1/.style={sibling distance=288mm,level distance=30mm},
level 2/.style={sibling distance=144mm,level distance=50mm},
level 3/.style={sibling distance=72mm},
level 4/.style={sibling distance=72mm},
level 5/.style={sibling distance=36mm},
level 6/.style={sibling distance=18mm},
level 7/.style={sibling distance=9mm}]
\tikzset{%
individu/.style={draw=black,thick,fill=##1,rounded corners=3pt},
individu/.default=white,grow=#1
}
}
\begin{document}
\tiny
\beginPicture{left}{180}{0}
\input export-pr-H2-9.tex
\input enfants-pr-H1.tex
\end{tikzpicture}
\hspace*{-60mm}
\beginPicture{right}{0}{180}
\input export-pr-F2-9.tex
\input enfants-pr-F1.tex
\end{tikzpicture}
\end{document}