diff --git a/aiogram/types/fields.py b/aiogram/types/fields.py
index 5c974eec..419454e1 100644
--- a/aiogram/types/fields.py
+++ b/aiogram/types/fields.py
@@ -39,7 +39,7 @@ class BaseField(metaclass=abc.ABCMeta):
         :param instance:
         :return:
         """
-        return instance.values.get(self.alias)
+        return instance.values.get(self.alias, self.default)
 
     def set_value(self, instance, value, parent=None):
         """
@@ -96,7 +96,10 @@ class Field(BaseField):
         return value
 
     def deserialize(self, value, parent=None):
-        if self.base_object is not None and not hasattr(value, 'base_object') and not hasattr(value, 'to_python'):
+        if isinstance(value, dict) \
+                and self.base_object is not None \
+                and not hasattr(value, 'base_object') \
+                and not hasattr(value, 'to_python'):
             return self.base_object(conf={'parent': parent}, **value)
         return value
 
diff --git a/aiogram/types/inline_keyboard.py b/aiogram/types/inline_keyboard.py
index 16f0540a..636f101c 100644
--- a/aiogram/types/inline_keyboard.py
+++ b/aiogram/types/inline_keyboard.py
@@ -14,12 +14,12 @@ class InlineKeyboardMarkup(base.TelegramObject):
 
     https://core.telegram.org/bots/api#inlinekeyboardmarkup
     """
-    inline_keyboard: 'typing.List[typing.List[InlineKeyboardButton]]' = fields.ListOfLists(base='InlineKeyboardButton',
-                                                                                           default=[])
+    inline_keyboard: 'typing.List[typing.List[InlineKeyboardButton]]' = fields.ListOfLists(base='InlineKeyboardButton')
 
-    @classmethod
-    def create(cls, row_width=3):
-        return cls(conf={'row_width': row_width})
+    def __init__(self, row_width=3, inline_keyboard=None):
+        if inline_keyboard is None:
+            inline_keyboard = []
+        super(InlineKeyboardMarkup, self).__init__(conf={'row_width': row_width}, inline_keyboard=inline_keyboard)
 
     @property
     def row_width(self):
diff --git a/aiogram/types/reply_keyboard.py b/aiogram/types/reply_keyboard.py
index ca77ffe5..c16bc496 100644
--- a/aiogram/types/reply_keyboard.py
+++ b/aiogram/types/reply_keyboard.py
@@ -18,13 +18,11 @@ class ReplyKeyboardMarkup(base.TelegramObject):
     def __init__(self, keyboard: 'typing.List[typing.List[KeyboardButton]]' = None,
                  resize_keyboard: base.Boolean = None,
                  one_time_keyboard: base.Boolean = None,
-                 selective: base.Boolean = None):
+                 selective: base.Boolean = None,
+                 row_width: base.Integer = 3):
         super(ReplyKeyboardMarkup, self).__init__(keyboard=keyboard, resize_keyboard=resize_keyboard,
-                                                  one_time_keyboard=one_time_keyboard, selective=selective)
-
-    @classmethod
-    def create(cls, row_width=3):
-        return cls(conf={'row_width': row_width})
+                                                  one_time_keyboard=one_time_keyboard, selective=selective,
+                                                  conf={'row_width': row_width})
 
     @property
     def row_width(self):