diff --git a/family-tree.cabal b/family-tree.cabal
--- a/family-tree.cabal
+++ b/family-tree.cabal
@@ -10,7 +10,7 @@
 -- PVP summary:      +-+------- breaking API changes
 --                   | | +----- non-breaking API additions
 --                   | | | +--- code changes with no API change
-version:             0.4.1.0
+version:             0.4.1.1
 
 package-url:         https://github.com/Taneb/family-tree
 
diff --git a/src/Data/FamilyTree.hs b/src/Data/FamilyTree.hs
--- a/src/Data/FamilyTree.hs
+++ b/src/Data/FamilyTree.hs
@@ -30,7 +30,6 @@
  birthplace,
  deathdate,
  deathplace,
- attendedEvents,
  Family(..),
  head1,
  head2,
@@ -169,8 +168,7 @@
     _birthplace = Nothing,
     _deathdate = Nothing,
     _deathplace = Nothing,
-    _attributes = HM.empty,
-    _attendedEvents = IS.empty
+    _attributes = HM.empty
     }
   p1 `mappend` p2 = Person {
     _name = ((<|>) `on` _name) p1 p2,
@@ -178,8 +176,7 @@
     _birthplace = ((<|>) `on` _birthplace) p1 p2,
     _deathdate = ((<|>) `on` _deathdate) p1 p2,
     _deathplace = ((<|>) `on` _deathplace) p1 p2,
-    _attributes = (HM.union `on` _attributes) p1 p2,
-    _attendedEvents = (IS.union `on` _attendedEvents) p1 p2
+    _attributes = (HM.union `on` _attributes) p1 p2
     }
 
 instance Monoid Family where
@@ -238,7 +235,6 @@
     put (toModifiedJulianDay . I.sup <$> _deathdate person)
     put (_deathplace person)
     put (map (both %~ encodeUtf8) . HM.toList $ _attributes person)
-    put (_attendedEvents person)
   get = do
     n <- get
     bdi <- get
@@ -248,7 +244,6 @@
     dds <- get
     dp <- get
     a <- get
-    e <- get
     return Person
       {_name = fmap decodeUtf8 n
       ,_birthdate = I.I <$> fmap ModifiedJulianDay bdi <*>
@@ -258,7 +253,6 @@
         fmap ModifiedJulianDay dds
       ,_deathplace = dp
       ,_attributes = HM.fromList $ map (both %~ decodeUtf8) a
-      ,_attendedEvents = e
       }
 
 instance Binary Family where