diff --git a/lib/src/english/MorphoEng.gf b/lib/src/english/MorphoEng.gf
index 194a9e9a0..922aaabba 100644
--- a/lib/src/english/MorphoEng.gf
+++ b/lib/src/english/MorphoEng.gf
@@ -36,6 +36,7 @@ resource MorphoEng = open Prelude, (Predef=Predef), ResEng in {
      s = table {
        NCase Nom => i ;
        NPAcc => me ;
+       NPNomPoss => mine ;
        NCase Gen => my
        } ;
      a = toAgr n p g ;
diff --git a/lib/src/english/NounEng.gf b/lib/src/english/NounEng.gf
index 109042f3c..863ca5450 100644
--- a/lib/src/english/NounEng.gf
+++ b/lib/src/english/NounEng.gf
@@ -78,7 +78,7 @@ concrete NounEng of Noun = CatEng ** open MorphoEng, ResEng, Prelude in {
       s  = \\hasCard,n => artDef ;
       sp = \\hasCard,n => case <n,hasCard> of {
         <Sg,False> => table { NCase Gen => "its"; _ => "it" } ;
-        <Pl,False> => table { NCase Nom => "they"; NPAcc => "them"; NCase Gen => "theirs" } ;
+        <Pl,False> => table { NCase Nom => "they"; NPAcc => "them"; _ => "theirs" } ;
         _          => \\c => artDef
         }
       } ;
diff --git a/lib/src/english/RelativeEng.gf b/lib/src/english/RelativeEng.gf
index a004c551b..8b799e712 100644
--- a/lib/src/english/RelativeEng.gf
+++ b/lib/src/english/RelativeEng.gf
@@ -39,7 +39,7 @@ concrete RelativeEng of Relative = CatEng ** open ResEng in {
 
     IdRP = 
      { s = table {
-        RC _ (NCase Gen) => "whose" ; 
+        RC _ (NCase Gen) | RC _ NPNomPoss => "whose" ; 
         RC Neutr _  => "which" ;
         RC _ NPAcc    => "whom" ;
         RC _ (NCase Nom)    => "who" ;
diff --git a/lib/src/english/ResEng.gf b/lib/src/english/ResEng.gf
index 0bbab0641..fa6d2031e 100644
--- a/lib/src/english/ResEng.gf
+++ b/lib/src/english/ResEng.gf
@@ -21,9 +21,9 @@ resource ResEng = ParamX ** open Prelude in {
   param
     Case = Nom | Gen ;
 
--- This is the worst-case $Case$ needed for pronouns.
+-- This is the worst-case $Case$ needed for pronouns: I, me, my, mine
 
-    NPCase = NCase Case | NPAcc ;
+    NPCase = NCase Case | NPAcc | NPNomPoss ;
 
 -- Useful macros and conversions:
 
@@ -169,7 +169,7 @@ resource ResEng = ParamX ** open Prelude in {
    { s = table {
        NCase Nom => i ;
        NPAcc => me ;
-       NCase Gen => my
+       NCase Gen | NPNomPoss => my -- works for normal genitives, "whose", etc.
        } ;
      a = toAgr n p g ;
    };