up to the 12th generation
0━┳
Raymond W. Rowland & Lilian R. Daughtrey ca 1926
┣━1──
Wendy V. Rowland ca 1953
┣━2──
Ruth I. Rowland ca 1954
┣━3━━
Keith R. Rowland ca 1958
┣━4━━
Barry P. Rowland ca 1959
┣━5━━
Nigel J. Rowland ca 1961
┗━6━━
Kevin A. Rowland ca 1962
Total: 6 descendants (8 individuals with spouses)