\documentclass{standalone}
\usepackage{pstricks, pstcol, pst-node, pst-tree}
\renewcommand\psedge{\nccurve}
\newcommand{\Female}[2][]{{\psset{linecolor=lightgray}\TR[#1]{\emph{#2}}}}
\newcommand{\Male}[2][]{{\psset{linecolor=black}\TR[#1]{#2}}}
\psset{nodesep=2pt, angleA=90, angleB=-90}      
\begin{document}
  \pstree[treemode=U]{\Female{{\bfseries Matilde}}}{%
    \pstree{\Male{Sebastian}}{%
      \pstree{\Male[name=P]{Philip}}{\Male{Frederick}\Female{Ethel}}
      \pstree{\Female[name=W]{Mary}}{\Male{Lionel}\Female{Agnes}}} 
    \pstree{\Female{Leonor}}{% 
      \pstree{\Male[name=R]{Ra\'ul}}{\Male{Joaquim}\Female{J\'ulia}}
      \pstree{\Female[name=A]{Am\'elia}}{\Male{\'Alvaro}\Female{Augusta}}}}
    \psset{doubleline=true, linestyle=dotted}
    \ncline{P}{W}\nbput{1940}
    \ncline{R}{A}\nbput{1954}        
\end{document}