On 22 May 1761, he married Erica Christine de Cicignon (1744–1796), daughter of Johan Frederik de Cicignon (1701–1765). They had the following children: •
Johan Lehn (1763–1766) •
Sophie Amalie Lehn, Baroness of Lehn and of Guldborgland (1764–1834), ∞ Hans Rantzau (1764–1808), who adopted the name Rantzau-Lehn and inherited the baronies; issue •
Margrethe Krabbe Lehn, Baroness of Lehn and of Guldborgland (1766–1789), ∞ Hartvig Gottfried von Barner (1763–1811); issue •
Erica Christine Lehn, Baroness of Lehn and of Guldborgland (1771–1804) •
Elisabeth Catharina Lehn, Baroness of Lehn and of Guldborgland (1772–1802), ∞ (1) Caspar Hermann von Krogh of Søholt; no issue; (2) Frederik Julian Christian von Bertouch (1764–1831); issue, who adopted the name Bertouch-Lehn and was made Baron of Sønderkarle •
Johanne Frederikke Lehn, Baroness of Lehn and of Guldborgland (1775–1805) ∞ Frederik Wallmoden of
Fuglsang Manor. ==References==