diff --git a/gramps/plugins/graph/gvfamilylines.py b/gramps/plugins/graph/gvfamilylines.py
index 347de7602..2b980f7c2 100644
--- a/gramps/plugins/graph/gvfamilylines.py
+++ b/gramps/plugins/graph/gvfamilylines.py
@@ -361,7 +361,8 @@ class FamilyLinesReport(Report):
         if name_format != 0:
             self._name_display.set_default_format(name_format)
 
-        self.set_locale(menu.get_option_by_name('trans').get_value())
+        lang = menu.get_option_by_name('trans').get_value()
+        self._locale = self.set_locale(lang)
 
         # convert the 'surnamecolors' string to a dictionary of names and colors
         self._surnamecolors = {}
@@ -933,10 +934,9 @@ class FamilyLinesReport(Report):
             childrenStr = None
             if self._incchildcount:
                 child_count = len(family.get_child_ref_list())
-#                if child_count == 1:
-#                    childrenStr = _('1 child')
-                if child_count > 1:
-                    childrenStr = self._('%d children') % child_count
+                if child_count >= 1:
+                    childrenStr = self._locale.translation.ngettext(
+                        "%d child", "%d children", child_count) % child_count
 
             label = ''
             if weddingDate: